Home / 99,512.28-149,279.22-49,604.94

Finding the Fourth Proportional to 99,512.28, 149,279.22 and 49,604.94

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Solution

The fourth proportional to 99,512.28, 149,279.22 and 49,604.94 is: 74,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,512.28 : 149,279.22 = 49,604.94 : x
  2. Step 2: Convert to fraction form
    99,512.28/149,279.22 = 49,604.94/x
  3. Step 3: Cross multiply
    99,512.28x = 149,279.22 × 49,604.94
  4. Step 4: Simplify right side
    99,512.28x = 7,404,986,751.35
  5. Step 5: Solve for x
    x = 7,404,986,751.35/99,512.28
  6. Step 6: Final answer
    x = 74,412.79

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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.