Home / 109,251.07-150,766.31-61,519.79

Finding the Fourth Proportional to 109,251.07, 150,766.31 and 61,519.79

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Solution

The fourth proportional to 109,251.07, 150,766.31 and 61,519.79 is: 84,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.07 : 150,766.31 = 61,519.79 : x
  2. Step 2: Convert to fraction form
    109,251.07/150,766.31 = 61,519.79/x
  3. Step 3: Cross multiply
    109,251.07x = 150,766.31 × 61,519.79
  4. Step 4: Simplify right side
    109,251.07x = 9,275,111,422.68
  5. Step 5: Solve for x
    x = 9,275,111,422.68/109,251.07
  6. Step 6: Final answer
    x = 84,897.22

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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.