Home / 132,433.98-198,654.57-38,942.70

Finding the Fourth Proportional to 132,433.98, 198,654.57 and 38,942.70

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Solution

The fourth proportional to 132,433.98, 198,654.57 and 38,942.70 is: 58,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,433.98 : 198,654.57 = 38,942.70 : x
  2. Step 2: Convert to fraction form
    132,433.98/198,654.57 = 38,942.70/x
  3. Step 3: Cross multiply
    132,433.98x = 198,654.57 × 38,942.70
  4. Step 4: Simplify right side
    132,433.98x = 7,736,145,323.14
  5. Step 5: Solve for x
    x = 7,736,145,323.14/132,433.98
  6. Step 6: Final answer
    x = 58,415.11

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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.