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Finding the Fourth Proportional to 128,550.90, 192,951.04 and 62,037.84

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Solution

The fourth proportional to 128,550.90, 192,951.04 and 62,037.84 is: 93,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,550.90 : 192,951.04 = 62,037.84 : x
  2. Step 2: Convert to fraction form
    128,550.90/192,951.04 = 62,037.84/x
  3. Step 3: Cross multiply
    128,550.90x = 192,951.04 × 62,037.84
  4. Step 4: Simplify right side
    128,550.90x = 11,970,265,747.35
  5. Step 5: Solve for x
    x = 11,970,265,747.35/128,550.90
  6. Step 6: Final answer
    x = 93,116.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.