Home / 112,726.76-155,562.96-62,425.76

Finding the Fourth Proportional to 112,726.76, 155,562.96 and 62,425.76

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Solution

The fourth proportional to 112,726.76, 155,562.96 and 62,425.76 is: 86,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,726.76 : 155,562.96 = 62,425.76 : x
  2. Step 2: Convert to fraction form
    112,726.76/155,562.96 = 62,425.76/x
  3. Step 3: Cross multiply
    112,726.76x = 155,562.96 × 62,425.76
  4. Step 4: Simplify right side
    112,726.76x = 9,711,136,005.85
  5. Step 5: Solve for x
    x = 9,711,136,005.85/112,726.76
  6. Step 6: Final answer
    x = 86,147.57

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1.5x scale

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.