Home / 127,729.12-191,616.92-43,484.97

Finding the Fourth Proportional to 127,729.12, 191,616.92 and 43,484.97

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Solution

The fourth proportional to 127,729.12, 191,616.92 and 43,484.97 is: 65,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.12 : 191,616.92 = 43,484.97 : x
  2. Step 2: Convert to fraction form
    127,729.12/191,616.92 = 43,484.97/x
  3. Step 3: Cross multiply
    127,729.12x = 191,616.92 × 43,484.97
  4. Step 4: Simplify right side
    127,729.12x = 8,332,455,800.27
  5. Step 5: Solve for x
    x = 8,332,455,800.27/127,729.12
  6. Step 6: Final answer
    x = 65,235.37

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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.