Home / 231,060.96-318,832.58-129,073.81

Finding the Fourth Proportional to 231,060.96, 318,832.58 and 129,073.81

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Solution

The fourth proportional to 231,060.96, 318,832.58 and 129,073.81 is: 178,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,060.96 : 318,832.58 = 129,073.81 : x
  2. Step 2: Convert to fraction form
    231,060.96/318,832.58 = 129,073.81/x
  3. Step 3: Cross multiply
    231,060.96x = 318,832.58 × 129,073.81
  4. Step 4: Simplify right side
    231,060.96x = 41,152,935,852.73
  5. Step 5: Solve for x
    x = 41,152,935,852.73/231,060.96
  6. Step 6: Final answer
    x = 178,104.24

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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.