Home / 129,089.64-193,710.25-54,204.03

Finding the Fourth Proportional to 129,089.64, 193,710.25 and 54,204.03

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Solution

The fourth proportional to 129,089.64, 193,710.25 and 54,204.03 is: 81,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,089.64 : 193,710.25 = 54,204.03 : x
  2. Step 2: Convert to fraction form
    129,089.64/193,710.25 = 54,204.03/x
  3. Step 3: Cross multiply
    129,089.64x = 193,710.25 × 54,204.03
  4. Step 4: Simplify right side
    129,089.64x = 10,499,876,202.31
  5. Step 5: Solve for x
    x = 10,499,876,202.31/129,089.64
  6. Step 6: Final answer
    x = 81,337.87

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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.