Home / 159,753.12-220,558.32-112,198.56

Finding the Fourth Proportional to 159,753.12, 220,558.32 and 112,198.56

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Solution

The fourth proportional to 159,753.12, 220,558.32 and 112,198.56 is: 154,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.12 : 220,558.32 = 112,198.56 : x
  2. Step 2: Convert to fraction form
    159,753.12/220,558.32 = 112,198.56/x
  3. Step 3: Cross multiply
    159,753.12x = 220,558.32 × 112,198.56
  4. Step 4: Simplify right side
    159,753.12x = 24,746,325,900.02
  5. Step 5: Solve for x
    x = 24,746,325,900.02/159,753.12
  6. Step 6: Final answer
    x = 154,903.55

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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.