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Finding the Fourth Proportional to 177,821.60, 267,315.60 and 125,592.80

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Solution

The fourth proportional to 177,821.60, 267,315.60 and 125,592.80 is: 188,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,821.60 : 267,315.60 = 125,592.80 : x
  2. Step 2: Convert to fraction form
    177,821.60/267,315.60 = 125,592.80/x
  3. Step 3: Cross multiply
    177,821.60x = 267,315.60 × 125,592.80
  4. Step 4: Simplify right side
    177,821.60x = 33,572,914,687.68
  5. Step 5: Solve for x
    x = 33,572,914,687.68/177,821.60
  6. Step 6: Final answer
    x = 188,801.11

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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.