Home / 109,405.20-150,979.14-59,104.20

Finding the Fourth Proportional to 109,405.20, 150,979.14 and 59,104.20

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Solution

The fourth proportional to 109,405.20, 150,979.14 and 59,104.20 is: 81,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,405.20 : 150,979.14 = 59,104.20 : x
  2. Step 2: Convert to fraction form
    109,405.20/150,979.14 = 59,104.20/x
  3. Step 3: Cross multiply
    109,405.20x = 150,979.14 × 59,104.20
  4. Step 4: Simplify right side
    109,405.20x = 8,923,501,286.39
  5. Step 5: Solve for x
    x = 8,923,501,286.39/109,405.20
  6. Step 6: Final answer
    x = 81,563.78

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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.