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Finding the Fourth Proportional to 181,284.74, 250,145.17 and 100,704.86

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Solution

The fourth proportional to 181,284.74, 250,145.17 and 100,704.86 is: 138,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,284.74 : 250,145.17 = 100,704.86 : x
  2. Step 2: Convert to fraction form
    181,284.74/250,145.17 = 100,704.86/x
  3. Step 3: Cross multiply
    181,284.74x = 250,145.17 × 100,704.86
  4. Step 4: Simplify right side
    181,284.74x = 25,190,834,324.53
  5. Step 5: Solve for x
    x = 25,190,834,324.53/181,284.74
  6. Step 6: Final answer
    x = 138,957.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.