Home / 138,932.44-191,726.97-75,270.24

Finding the Fourth Proportional to 138,932.44, 191,726.97 and 75,270.24

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Solution

The fourth proportional to 138,932.44, 191,726.97 and 75,270.24 is: 103,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,932.44 : 191,726.97 = 75,270.24 : x
  2. Step 2: Convert to fraction form
    138,932.44/191,726.97 = 75,270.24/x
  3. Step 3: Cross multiply
    138,932.44x = 191,726.97 × 75,270.24
  4. Step 4: Simplify right side
    138,932.44x = 14,431,333,711.39
  5. Step 5: Solve for x
    x = 14,431,333,711.39/138,932.44
  6. Step 6: Final answer
    x = 103,873.04

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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.