Home / 209,522.25-289,090.28-123,484.67

Finding the Fourth Proportional to 209,522.25, 289,090.28 and 123,484.67

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Solution

The fourth proportional to 209,522.25, 289,090.28 and 123,484.67 is: 170,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,522.25 : 289,090.28 = 123,484.67 : x
  2. Step 2: Convert to fraction form
    209,522.25/289,090.28 = 123,484.67/x
  3. Step 3: Cross multiply
    209,522.25x = 289,090.28 × 123,484.67
  4. Step 4: Simplify right side
    209,522.25x = 35,698,215,763.13
  5. Step 5: Solve for x
    x = 35,698,215,763.13/209,522.25
  6. Step 6: Final answer
    x = 170,379.12

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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.