Home / 181,638.89-272,322.60-125,318.29

Finding the Fourth Proportional to 181,638.89, 272,322.60 and 125,318.29

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Solution

The fourth proportional to 181,638.89, 272,322.60 and 125,318.29 is: 187,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638.89 : 272,322.60 = 125,318.29 : x
  2. Step 2: Convert to fraction form
    181,638.89/272,322.60 = 125,318.29/x
  3. Step 3: Cross multiply
    181,638.89x = 272,322.60 × 125,318.29
  4. Step 4: Simplify right side
    181,638.89x = 34,127,002,560.35
  5. Step 5: Solve for x
    x = 34,127,002,560.35/181,638.89
  6. Step 6: Final answer
    x = 187,883.79

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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.