Home / 102,305.43-141,188.57-62,020.89

Finding the Fourth Proportional to 102,305.43, 141,188.57 and 62,020.89

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Solution

The fourth proportional to 102,305.43, 141,188.57 and 62,020.89 is: 85,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.43 : 141,188.57 = 62,020.89 : x
  2. Step 2: Convert to fraction form
    102,305.43/141,188.57 = 62,020.89/x
  3. Step 3: Cross multiply
    102,305.43x = 141,188.57 × 62,020.89
  4. Step 4: Simplify right side
    102,305.43x = 8,756,640,459.12
  5. Step 5: Solve for x
    x = 8,756,640,459.12/102,305.43
  6. Step 6: Final answer
    x = 85,593.12

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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.