Home / 127,456.97-191,210.98-71,376.83

Finding the Fourth Proportional to 127,456.97, 191,210.98 and 71,376.83

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Solution

The fourth proportional to 127,456.97, 191,210.98 and 71,376.83 is: 107,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,456.97 : 191,210.98 = 71,376.83 : x
  2. Step 2: Convert to fraction form
    127,456.97/191,210.98 = 71,376.83/x
  3. Step 3: Cross multiply
    127,456.97x = 191,210.98 × 71,376.83
  4. Step 4: Simplify right side
    127,456.97x = 13,648,033,613.59
  5. Step 5: Solve for x
    x = 13,648,033,613.59/127,456.97
  6. Step 6: Final answer
    x = 107,079.54

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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.