Home / 127,974.80-192,048.60-83,493.20

Finding the Fourth Proportional to 127,974.80, 192,048.60 and 83,493.20

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Solution

The fourth proportional to 127,974.80, 192,048.60 and 83,493.20 is: 125,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,974.80 : 192,048.60 = 83,493.20 : x
  2. Step 2: Convert to fraction form
    127,974.80/192,048.60 = 83,493.20/x
  3. Step 3: Cross multiply
    127,974.80x = 192,048.60 × 83,493.20
  4. Step 4: Simplify right side
    127,974.80x = 16,034,752,169.52
  5. Step 5: Solve for x
    x = 16,034,752,169.52/127,974.80
  6. Step 6: Final answer
    x = 125,296.17

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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.