Home / 87,199.04-120,371.19-73,839.44

Finding the Fourth Proportional to 87,199.04, 120,371.19 and 73,839.44

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Solution

The fourth proportional to 87,199.04, 120,371.19 and 73,839.44 is: 101,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,199.04 : 120,371.19 = 73,839.44 : x
  2. Step 2: Convert to fraction form
    87,199.04/120,371.19 = 73,839.44/x
  3. Step 3: Cross multiply
    87,199.04x = 120,371.19 × 73,839.44
  4. Step 4: Simplify right side
    87,199.04x = 8,888,141,261.73
  5. Step 5: Solve for x
    x = 8,888,141,261.73/87,199.04
  6. Step 6: Final answer
    x = 101,929.35

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1.5x scale

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.