Home / 123,564.38-185,280.15-39,301.70

Finding the Fourth Proportional to 123,564.38, 185,280.15 and 39,301.70

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Solution

The fourth proportional to 123,564.38, 185,280.15 and 39,301.70 is: 58,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,564.38 : 185,280.15 = 39,301.70 : x
  2. Step 2: Convert to fraction form
    123,564.38/185,280.15 = 39,301.70/x
  3. Step 3: Cross multiply
    123,564.38x = 185,280.15 × 39,301.70
  4. Step 4: Simplify right side
    123,564.38x = 7,281,824,871.26
  5. Step 5: Solve for x
    x = 7,281,824,871.26/123,564.38
  6. Step 6: Final answer
    x = 58,931.42

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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.