Home / 150,331.80-207,461.24-85,799.75

Finding the Fourth Proportional to 150,331.80, 207,461.24 and 85,799.75

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Solution

The fourth proportional to 150,331.80, 207,461.24 and 85,799.75 is: 118,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,331.80 : 207,461.24 = 85,799.75 : x
  2. Step 2: Convert to fraction form
    150,331.80/207,461.24 = 85,799.75/x
  3. Step 3: Cross multiply
    150,331.80x = 207,461.24 × 85,799.75
  4. Step 4: Simplify right side
    150,331.80x = 17,800,121,060.39
  5. Step 5: Solve for x
    x = 17,800,121,060.39/150,331.80
  6. Step 6: Final answer
    x = 118,405.56

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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.