Home / 181,961.74-251,103.85-101,387.53

Finding the Fourth Proportional to 181,961.74, 251,103.85 and 101,387.53

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Solution

The fourth proportional to 181,961.74, 251,103.85 and 101,387.53 is: 139,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,961.74 : 251,103.85 = 101,387.53 : x
  2. Step 2: Convert to fraction form
    181,961.74/251,103.85 = 101,387.53/x
  3. Step 3: Cross multiply
    181,961.74x = 251,103.85 × 101,387.53
  4. Step 4: Simplify right side
    181,961.74x = 25,458,799,124.99
  5. Step 5: Solve for x
    x = 25,458,799,124.99/181,961.74
  6. Step 6: Final answer
    x = 139,912.92

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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.