Home / 99,734.90-149,523.57-49,787.46

Finding the Fourth Proportional to 99,734.90, 149,523.57 and 49,787.46

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Solution

The fourth proportional to 99,734.90, 149,523.57 and 49,787.46 is: 74,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,734.90 : 149,523.57 = 49,787.46 : x
  2. Step 2: Convert to fraction form
    99,734.90/149,523.57 = 49,787.46/x
  3. Step 3: Cross multiply
    99,734.90x = 149,523.57 × 49,787.46
  4. Step 4: Simplify right side
    99,734.90x = 7,444,398,760.43
  5. Step 5: Solve for x
    x = 7,444,398,760.43/99,734.90
  6. Step 6: Final answer
    x = 74,641.87

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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.