Home / 112,748.94-155,591.85-61,761.27

Finding the Fourth Proportional to 112,748.94, 155,591.85 and 61,761.27

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Solution

The fourth proportional to 112,748.94, 155,591.85 and 61,761.27 is: 85,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.94 : 155,591.85 = 61,761.27 : x
  2. Step 2: Convert to fraction form
    112,748.94/155,591.85 = 61,761.27/x
  3. Step 3: Cross multiply
    112,748.94x = 155,591.85 × 61,761.27
  4. Step 4: Simplify right side
    112,748.94x = 9,609,550,257.65
  5. Step 5: Solve for x
    x = 9,609,550,257.65/112,748.94
  6. Step 6: Final answer
    x = 85,229.63

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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.