Home / 150,560.61-207,777.45-85,144.20

Finding the Fourth Proportional to 150,560.61, 207,777.45 and 85,144.20

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Solution

The fourth proportional to 150,560.61, 207,777.45 and 85,144.20 is: 117,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,560.61 : 207,777.45 = 85,144.20 : x
  2. Step 2: Convert to fraction form
    150,560.61/207,777.45 = 85,144.20/x
  3. Step 3: Cross multiply
    150,560.61x = 207,777.45 × 85,144.20
  4. Step 4: Simplify right side
    150,560.61x = 17,691,044,758.29
  5. Step 5: Solve for x
    x = 17,691,044,758.29/150,560.61
  6. Step 6: Final answer
    x = 117,501.15

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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.