Home / 177,831.62-266,746.02-72,576.78

Finding the Fourth Proportional to 177,831.62, 266,746.02 and 72,576.78

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Solution

The fourth proportional to 177,831.62, 266,746.02 and 72,576.78 is: 108,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,831.62 : 266,746.02 = 72,576.78 : x
  2. Step 2: Convert to fraction form
    177,831.62/266,746.02 = 72,576.78/x
  3. Step 3: Cross multiply
    177,831.62x = 266,746.02 × 72,576.78
  4. Step 4: Simplify right side
    177,831.62x = 19,359,567,209.42
  5. Step 5: Solve for x
    x = 19,359,567,209.42/177,831.62
  6. Step 6: Final answer
    x = 108,864.59

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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.