Home / 99,446.28-149,169.48-68,186.76

Finding the Fourth Proportional to 99,446.28, 149,169.48 and 68,186.76

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Solution

The fourth proportional to 99,446.28, 149,169.48 and 68,186.76 is: 102,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446.28 : 149,169.48 = 68,186.76 : x
  2. Step 2: Convert to fraction form
    99,446.28/149,169.48 = 68,186.76/x
  3. Step 3: Cross multiply
    99,446.28x = 149,169.48 × 68,186.76
  4. Step 4: Simplify right side
    99,446.28x = 10,171,383,532.08
  5. Step 5: Solve for x
    x = 10,171,383,532.08/99,446.28
  6. Step 6: Final answer
    x = 102,280.18

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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.