Home / 109,170.20-150,644.18-61,422.52

Finding the Fourth Proportional to 109,170.20, 150,644.18 and 61,422.52

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Solution

The fourth proportional to 109,170.20, 150,644.18 and 61,422.52 is: 84,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,170.20 : 150,644.18 = 61,422.52 : x
  2. Step 2: Convert to fraction form
    109,170.20/150,644.18 = 61,422.52/x
  3. Step 3: Cross multiply
    109,170.20x = 150,644.18 × 61,422.52
  4. Step 4: Simplify right side
    109,170.20x = 9,252,945,158.93
  5. Step 5: Solve for x
    x = 9,252,945,158.93/109,170.20
  6. Step 6: Final answer
    x = 84,757.06

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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.