Home / 177,787.60-266,584.20-72,487.60

Finding the Fourth Proportional to 177,787.60, 266,584.20 and 72,487.60

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Solution

The fourth proportional to 177,787.60, 266,584.20 and 72,487.60 is: 108,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,787.60 : 266,584.20 = 72,487.60 : x
  2. Step 2: Convert to fraction form
    177,787.60/266,584.20 = 72,487.60/x
  3. Step 3: Cross multiply
    177,787.60x = 266,584.20 × 72,487.60
  4. Step 4: Simplify right side
    177,787.60x = 19,324,048,855.92
  5. Step 5: Solve for x
    x = 19,324,048,855.92/177,787.60
  6. Step 6: Final answer
    x = 108,691.77

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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.