Home / 177,816.16-266,539.92-84,250.72

Finding the Fourth Proportional to 177,816.16, 266,539.92 and 84,250.72

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Solution

The fourth proportional to 177,816.16, 266,539.92 and 84,250.72 is: 126,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.16 : 266,539.92 = 84,250.72 : x
  2. Step 2: Convert to fraction form
    177,816.16/266,539.92 = 84,250.72/x
  3. Step 3: Cross multiply
    177,816.16x = 266,539.92 × 84,250.72
  4. Step 4: Simplify right side
    177,816.16x = 22,456,180,168.74
  5. Step 5: Solve for x
    x = 22,456,180,168.74/177,816.16
  6. Step 6: Final answer
    x = 126,288.75

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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.