Home / 243,331.60-364,872.78-129,544.04

Finding the Fourth Proportional to 243,331.60, 364,872.78 and 129,544.04

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Solution

The fourth proportional to 243,331.60, 364,872.78 and 129,544.04 is: 194,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,331.60 : 364,872.78 = 129,544.04 : x
  2. Step 2: Convert to fraction form
    243,331.60/364,872.78 = 129,544.04/x
  3. Step 3: Cross multiply
    243,331.60x = 364,872.78 × 129,544.04
  4. Step 4: Simplify right side
    243,331.60x = 47,267,094,007.23
  5. Step 5: Solve for x
    x = 47,267,094,007.23/243,331.60
  6. Step 6: Final answer
    x = 194,249.72

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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.