Home / 129,651.12-194,475.60-36,149.04

Finding the Fourth Proportional to 129,651.12, 194,475.60 and 36,149.04

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Solution

The fourth proportional to 129,651.12, 194,475.60 and 36,149.04 is: 54,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,651.12 : 194,475.60 = 36,149.04 : x
  2. Step 2: Convert to fraction form
    129,651.12/194,475.60 = 36,149.04/x
  3. Step 3: Cross multiply
    129,651.12x = 194,475.60 × 36,149.04
  4. Step 4: Simplify right side
    129,651.12x = 7,030,106,243.42
  5. Step 5: Solve for x
    x = 7,030,106,243.42/129,651.12
  6. Step 6: Final answer
    x = 54,223.26

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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.