Home / 129,655.58-194,169.85-107,304.42

Finding the Fourth Proportional to 129,655.58, 194,169.85 and 107,304.42

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Solution

The fourth proportional to 129,655.58, 194,169.85 and 107,304.42 is: 160,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655.58 : 194,169.85 = 107,304.42 : x
  2. Step 2: Convert to fraction form
    129,655.58/194,169.85 = 107,304.42/x
  3. Step 3: Cross multiply
    129,655.58x = 194,169.85 × 107,304.42
  4. Step 4: Simplify right side
    129,655.58x = 20,835,283,135.74
  5. Step 5: Solve for x
    x = 20,835,283,135.74/129,655.58
  6. Step 6: Final answer
    x = 160,697.16

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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.