Home / 124,952.28-187,427.85-31,458.06

Finding the Fourth Proportional to 124,952.28, 187,427.85 and 31,458.06

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Solution

The fourth proportional to 124,952.28, 187,427.85 and 31,458.06 is: 47,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,952.28 : 187,427.85 = 31,458.06 : x
  2. Step 2: Convert to fraction form
    124,952.28/187,427.85 = 31,458.06/x
  3. Step 3: Cross multiply
    124,952.28x = 187,427.85 × 31,458.06
  4. Step 4: Simplify right side
    124,952.28x = 5,896,116,550.97
  5. Step 5: Solve for x
    x = 5,896,116,550.97/124,952.28
  6. Step 6: Final answer
    x = 47,186.95

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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.