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Finding the Fourth Proportional to 125,538.39, 173,169.50 and 84,772.71

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Solution

The fourth proportional to 125,538.39, 173,169.50 and 84,772.71 is: 116,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.39 : 173,169.50 = 84,772.71 : x
  2. Step 2: Convert to fraction form
    125,538.39/173,169.50 = 84,772.71/x
  3. Step 3: Cross multiply
    125,538.39x = 173,169.50 × 84,772.71
  4. Step 4: Simplify right side
    125,538.39x = 14,680,047,380.48
  5. Step 5: Solve for x
    x = 14,680,047,380.48/125,538.39
  6. Step 6: Final answer
    x = 116,936.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.