Home / 150,276.89-207,380.14-85,744.43

Finding the Fourth Proportional to 150,276.89, 207,380.14 and 85,744.43

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Solution

The fourth proportional to 150,276.89, 207,380.14 and 85,744.43 is: 118,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,276.89 : 207,380.14 = 85,744.43 : x
  2. Step 2: Convert to fraction form
    150,276.89/207,380.14 = 85,744.43/x
  3. Step 3: Cross multiply
    150,276.89x = 207,380.14 × 85,744.43
  4. Step 4: Simplify right side
    150,276.89x = 17,781,691,897.62
  5. Step 5: Solve for x
    x = 17,781,691,897.62/150,276.89
  6. Step 6: Final answer
    x = 118,326.19

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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.