Home / 148,060.96-204,327.12-80,997.28

Finding the Fourth Proportional to 148,060.96, 204,327.12 and 80,997.28

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Solution

The fourth proportional to 148,060.96, 204,327.12 and 80,997.28 is: 111,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,060.96 : 204,327.12 = 80,997.28 : x
  2. Step 2: Convert to fraction form
    148,060.96/204,327.12 = 80,997.28/x
  3. Step 3: Cross multiply
    148,060.96x = 204,327.12 × 80,997.28
  4. Step 4: Simplify right side
    148,060.96x = 16,549,940,950.23
  5. Step 5: Solve for x
    x = 16,549,940,950.23/148,060.96
  6. Step 6: Final answer
    x = 111,777.88

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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.