Home / 124,185.49-171,350.04-81,227.95

Finding the Fourth Proportional to 124,185.49, 171,350.04 and 81,227.95

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Solution

The fourth proportional to 124,185.49, 171,350.04 and 81,227.95 is: 112,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,185.49 : 171,350.04 = 81,227.95 : x
  2. Step 2: Convert to fraction form
    124,185.49/171,350.04 = 81,227.95/x
  3. Step 3: Cross multiply
    124,185.49x = 171,350.04 × 81,227.95
  4. Step 4: Simplify right side
    124,185.49x = 13,918,412,481.62
  5. Step 5: Solve for x
    x = 13,918,412,481.62/124,185.49
  6. Step 6: Final answer
    x = 112,077.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.