Home / 239,123.72-329,999.19-131,701.93

Finding the Fourth Proportional to 239,123.72, 329,999.19 and 131,701.93

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Solution

The fourth proportional to 239,123.72, 329,999.19 and 131,701.93 is: 181,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,123.72 : 329,999.19 = 131,701.93 : x
  2. Step 2: Convert to fraction form
    239,123.72/329,999.19 = 131,701.93/x
  3. Step 3: Cross multiply
    239,123.72x = 329,999.19 × 131,701.93
  4. Step 4: Simplify right side
    239,123.72x = 43,461,530,221.44
  5. Step 5: Solve for x
    x = 43,461,530,221.44/239,123.72
  6. Step 6: Final answer
    x = 181,753.32

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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.