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Finding the Fourth Proportional to 125,537.28, 173,241.28 and 68,952.28

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Solution

The fourth proportional to 125,537.28, 173,241.28 and 68,952.28 is: 95,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,537.28 : 173,241.28 = 68,952.28 : x
  2. Step 2: Convert to fraction form
    125,537.28/173,241.28 = 68,952.28/x
  3. Step 3: Cross multiply
    125,537.28x = 173,241.28 × 68,952.28
  4. Step 4: Simplify right side
    125,537.28x = 11,945,381,246.12
  5. Step 5: Solve for x
    x = 11,945,381,246.12/125,537.28
  6. Step 6: Final answer
    x = 95,154.06

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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.