Home / 693,450.90-1,040,176.35-168,138.90

Finding the Fourth Proportional to 693,450.90, 1,040,176.35 and 168,138.90

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Solution

The fourth proportional to 693,450.90, 1,040,176.35 and 168,138.90 is: 252,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,450.90 : 1,040,176.35 = 168,138.90 : x
  2. Step 2: Convert to fraction form
    693,450.90/1,040,176.35 = 168,138.90/x
  3. Step 3: Cross multiply
    693,450.90x = 1,040,176.35 × 168,138.90
  4. Step 4: Simplify right side
    693,450.90x = 174,894,107,295.02
  5. Step 5: Solve for x
    x = 174,894,107,295.02/693,450.90
  6. Step 6: Final answer
    x = 252,208.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.