Home / 115,488.90-159,423.30-70,181.46

Finding the Fourth Proportional to 115,488.90, 159,423.30 and 70,181.46

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Solution

The fourth proportional to 115,488.90, 159,423.30 and 70,181.46 is: 96,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,488.90 : 159,423.30 = 70,181.46 : x
  2. Step 2: Convert to fraction form
    115,488.90/159,423.30 = 70,181.46/x
  3. Step 3: Cross multiply
    115,488.90x = 159,423.30 × 70,181.46
  4. Step 4: Simplify right side
    115,488.90x = 11,188,559,952.02
  5. Step 5: Solve for x
    x = 11,188,559,952.02/115,488.90
  6. Step 6: Final answer
    x = 96,879.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.