Home / 123,996.48-171,115.38-67,407.72

Finding the Fourth Proportional to 123,996.48, 171,115.38 and 67,407.72

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Solution

The fourth proportional to 123,996.48, 171,115.38 and 67,407.72 is: 93,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,996.48 : 171,115.38 = 67,407.72 : x
  2. Step 2: Convert to fraction form
    123,996.48/171,115.38 = 67,407.72/x
  3. Step 3: Cross multiply
    123,996.48x = 171,115.38 × 67,407.72
  4. Step 4: Simplify right side
    123,996.48x = 11,534,497,622.73
  5. Step 5: Solve for x
    x = 11,534,497,622.73/123,996.48
  6. Step 6: Final answer
    x = 93,022.78

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1.5x scale

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.