Home / 113,638.38-170,482.17-43,517.69

Finding the Fourth Proportional to 113,638.38, 170,482.17 and 43,517.69

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Solution

The fourth proportional to 113,638.38, 170,482.17 and 43,517.69 is: 65,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,638.38 : 170,482.17 = 43,517.69 : x
  2. Step 2: Convert to fraction form
    113,638.38/170,482.17 = 43,517.69/x
  3. Step 3: Cross multiply
    113,638.38x = 170,482.17 × 43,517.69
  4. Step 4: Simplify right side
    113,638.38x = 7,418,990,224.59
  5. Step 5: Solve for x
    x = 7,418,990,224.59/113,638.38
  6. Step 6: Final answer
    x = 65,285.96

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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.