Home / 103,159.29-142,385.14-62,895.25

Finding the Fourth Proportional to 103,159.29, 142,385.14 and 62,895.25

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Solution

The fourth proportional to 103,159.29, 142,385.14 and 62,895.25 is: 86,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,159.29 : 142,385.14 = 62,895.25 : x
  2. Step 2: Convert to fraction form
    103,159.29/142,385.14 = 62,895.25/x
  3. Step 3: Cross multiply
    103,159.29x = 142,385.14 × 62,895.25
  4. Step 4: Simplify right side
    103,159.29x = 8,955,349,233.19
  5. Step 5: Solve for x
    x = 8,955,349,233.19/103,159.29
  6. Step 6: Final answer
    x = 86,810.89

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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.