Home / 177,853.31-266,780.41-72,672.27

Finding the Fourth Proportional to 177,853.31, 266,780.41 and 72,672.27

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Solution

The fourth proportional to 177,853.31, 266,780.41 and 72,672.27 is: 109,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853.31 : 266,780.41 = 72,672.27 : x
  2. Step 2: Convert to fraction form
    177,853.31/266,780.41 = 72,672.27/x
  3. Step 3: Cross multiply
    177,853.31x = 266,780.41 × 72,672.27
  4. Step 4: Simplify right side
    177,853.31x = 19,387,539,168.34
  5. Step 5: Solve for x
    x = 19,387,539,168.34/177,853.31
  6. Step 6: Final answer
    x = 109,008.60

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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.