Home / 102,404.47-141,344.90-66,692.47

Finding the Fourth Proportional to 102,404.47, 141,344.90 and 66,692.47

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Solution

The fourth proportional to 102,404.47, 141,344.90 and 66,692.47 is: 92,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,404.47 : 141,344.90 = 66,692.47 : x
  2. Step 2: Convert to fraction form
    102,404.47/141,344.90 = 66,692.47/x
  3. Step 3: Cross multiply
    102,404.47x = 141,344.90 × 66,692.47
  4. Step 4: Simplify right side
    102,404.47x = 9,426,640,502.90
  5. Step 5: Solve for x
    x = 9,426,640,502.90/102,404.47
  6. Step 6: Final answer
    x = 92,053.02

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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.