Home / 129,615.80-194,423.70-54,682.04

Finding the Fourth Proportional to 129,615.80, 194,423.70 and 54,682.04

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Solution

The fourth proportional to 129,615.80, 194,423.70 and 54,682.04 is: 82,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,615.80 : 194,423.70 = 54,682.04 : x
  2. Step 2: Convert to fraction form
    129,615.80/194,423.70 = 54,682.04/x
  3. Step 3: Cross multiply
    129,615.80x = 194,423.70 × 54,682.04
  4. Step 4: Simplify right side
    129,615.80x = 10,631,484,540.35
  5. Step 5: Solve for x
    x = 10,631,484,540.35/129,615.80
  6. Step 6: Final answer
    x = 82,023.06

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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.