Home / 177,864.40-266,472.60-140,669.20

Finding the Fourth Proportional to 177,864.40, 266,472.60 and 140,669.20

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Solution

The fourth proportional to 177,864.40, 266,472.60 and 140,669.20 is: 210,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,864.40 : 266,472.60 = 140,669.20 : x
  2. Step 2: Convert to fraction form
    177,864.40/266,472.60 = 140,669.20/x
  3. Step 3: Cross multiply
    177,864.40x = 266,472.60 × 140,669.20
  4. Step 4: Simplify right side
    177,864.40x = 37,484,487,463.92
  5. Step 5: Solve for x
    x = 37,484,487,463.92/177,864.40
  6. Step 6: Final answer
    x = 210,747.56

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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.