Home / 127,442.12-191,150.82-38,696.39

Finding the Fourth Proportional to 127,442.12, 191,150.82 and 38,696.39

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Solution

The fourth proportional to 127,442.12, 191,150.82 and 38,696.39 is: 58,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,442.12 : 191,150.82 = 38,696.39 : x
  2. Step 2: Convert to fraction form
    127,442.12/191,150.82 = 38,696.39/x
  3. Step 3: Cross multiply
    127,442.12x = 191,150.82 × 38,696.39
  4. Step 4: Simplify right side
    127,442.12x = 7,396,845,723.79
  5. Step 5: Solve for x
    x = 7,396,845,723.79/127,442.12
  6. Step 6: Final answer
    x = 58,040.83

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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.