Home / 115,022.66-172,475.61-52,639.70

Finding the Fourth Proportional to 115,022.66, 172,475.61 and 52,639.70

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Solution

The fourth proportional to 115,022.66, 172,475.61 and 52,639.70 is: 78,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.66 : 172,475.61 = 52,639.70 : x
  2. Step 2: Convert to fraction form
    115,022.66/172,475.61 = 52,639.70/x
  3. Step 3: Cross multiply
    115,022.66x = 172,475.61 × 52,639.70
  4. Step 4: Simplify right side
    115,022.66x = 9,079,063,505.34
  5. Step 5: Solve for x
    x = 9,079,063,505.34/115,022.66
  6. Step 6: Final answer
    x = 78,932.83

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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.