Home / 129,654.93-194,503.16-54,775.77

Finding the Fourth Proportional to 129,654.93, 194,503.16 and 54,775.77

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Solution

The fourth proportional to 129,654.93, 194,503.16 and 54,775.77 is: 82,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,654.93 : 194,503.16 = 54,775.77 : x
  2. Step 2: Convert to fraction form
    129,654.93/194,503.16 = 54,775.77/x
  3. Step 3: Cross multiply
    129,654.93x = 194,503.16 × 54,775.77
  4. Step 4: Simplify right side
    129,654.93x = 10,654,060,356.43
  5. Step 5: Solve for x
    x = 10,654,060,356.43/129,654.93
  6. Step 6: Final answer
    x = 82,172.43

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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.