Home / 129,414.06-194,167.80-45,186.64

Finding the Fourth Proportional to 129,414.06, 194,167.80 and 45,186.64

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Solution

The fourth proportional to 129,414.06, 194,167.80 and 45,186.64 is: 67,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,414.06 : 194,167.80 = 45,186.64 : x
  2. Step 2: Convert to fraction form
    129,414.06/194,167.80 = 45,186.64/x
  3. Step 3: Cross multiply
    129,414.06x = 194,167.80 × 45,186.64
  4. Step 4: Simplify right side
    129,414.06x = 8,773,789,992.77
  5. Step 5: Solve for x
    x = 8,773,789,992.77/129,414.06
  6. Step 6: Final answer
    x = 67,796.27

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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.