Home / 146,753.13-220,122.26-85,997.77

Finding the Fourth Proportional to 146,753.13, 220,122.26 and 85,997.77

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Solution

The fourth proportional to 146,753.13, 220,122.26 and 85,997.77 is: 128,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,753.13 : 220,122.26 = 85,997.77 : x
  2. Step 2: Convert to fraction form
    146,753.13/220,122.26 = 85,997.77/x
  3. Step 3: Cross multiply
    146,753.13x = 220,122.26 × 85,997.77
  4. Step 4: Simplify right side
    146,753.13x = 18,930,022,829.56
  5. Step 5: Solve for x
    x = 18,930,022,829.56/146,753.13
  6. Step 6: Final answer
    x = 128,992.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.