Home / 129,519.64-194,164.20-50,615.92

Finding the Fourth Proportional to 129,519.64, 194,164.20 and 50,615.92

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Solution

The fourth proportional to 129,519.64, 194,164.20 and 50,615.92 is: 75,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,519.64 : 194,164.20 = 50,615.92 : x
  2. Step 2: Convert to fraction form
    129,519.64/194,164.20 = 50,615.92/x
  3. Step 3: Cross multiply
    129,519.64x = 194,164.20 × 50,615.92
  4. Step 4: Simplify right side
    129,519.64x = 9,827,799,614.06
  5. Step 5: Solve for x
    x = 9,827,799,614.06/129,519.64
  6. Step 6: Final answer
    x = 75,878.84

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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.