Home / 112,726.25-155,562.27-62,425.25

Finding the Fourth Proportional to 112,726.25, 155,562.27 and 62,425.25

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Solution

The fourth proportional to 112,726.25, 155,562.27 and 62,425.25 is: 86,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,726.25 : 155,562.27 = 62,425.25 : x
  2. Step 2: Convert to fraction form
    112,726.25/155,562.27 = 62,425.25/x
  3. Step 3: Cross multiply
    112,726.25x = 155,562.27 × 62,425.25
  4. Step 4: Simplify right side
    112,726.25x = 9,711,013,595.32
  5. Step 5: Solve for x
    x = 9,711,013,595.32/112,726.25
  6. Step 6: Final answer
    x = 86,146.87

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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.