Home / 127,425.75-191,135.19-31,363.82

Finding the Fourth Proportional to 127,425.75, 191,135.19 and 31,363.82

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Solution

The fourth proportional to 127,425.75, 191,135.19 and 31,363.82 is: 47,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.75 : 191,135.19 = 31,363.82 : x
  2. Step 2: Convert to fraction form
    127,425.75/191,135.19 = 31,363.82/x
  3. Step 3: Cross multiply
    127,425.75x = 191,135.19 × 31,363.82
  4. Step 4: Simplify right side
    127,425.75x = 5,994,729,538.01
  5. Step 5: Solve for x
    x = 5,994,729,538.01/127,425.75
  6. Step 6: Final answer
    x = 47,044.88

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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.