Home / 112,744.38-155,581.24-61,754.48

Finding the Fourth Proportional to 112,744.38, 155,581.24 and 61,754.48

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Solution

The fourth proportional to 112,744.38, 155,581.24 and 61,754.48 is: 85,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.38 : 155,581.24 = 61,754.48 : x
  2. Step 2: Convert to fraction form
    112,744.38/155,581.24 = 61,754.48/x
  3. Step 3: Cross multiply
    112,744.38x = 155,581.24 × 61,754.48
  4. Step 4: Simplify right side
    112,744.38x = 9,607,838,573.96
  5. Step 5: Solve for x
    x = 9,607,838,573.96/112,744.38
  6. Step 6: Final answer
    x = 85,217.89

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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.