Home / 181,431.05-250,381.27-99,765.52

Finding the Fourth Proportional to 181,431.05, 250,381.27 and 99,765.52

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Solution

The fourth proportional to 181,431.05, 250,381.27 and 99,765.52 is: 137,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,431.05 : 250,381.27 = 99,765.52 : x
  2. Step 2: Convert to fraction form
    181,431.05/250,381.27 = 99,765.52/x
  3. Step 3: Cross multiply
    181,431.05x = 250,381.27 × 99,765.52
  4. Step 4: Simplify right side
    181,431.05x = 24,979,416,724.44
  5. Step 5: Solve for x
    x = 24,979,416,724.44/181,431.05
  6. Step 6: Final answer
    x = 137,679.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.