Home / 127,819.32-191,729.52-39,072.48

Finding the Fourth Proportional to 127,819.32, 191,729.52 and 39,072.48

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Solution

The fourth proportional to 127,819.32, 191,729.52 and 39,072.48 is: 58,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.32 : 191,729.52 = 39,072.48 : x
  2. Step 2: Convert to fraction form
    127,819.32/191,729.52 = 39,072.48/x
  3. Step 3: Cross multiply
    127,819.32x = 191,729.52 × 39,072.48
  4. Step 4: Simplify right side
    127,819.32x = 7,491,347,835.61
  5. Step 5: Solve for x
    x = 7,491,347,835.61/127,819.32
  6. Step 6: Final answer
    x = 58,608.89

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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.