Home / 99,787.32-149,648.70-33,209.56

Finding the Fourth Proportional to 99,787.32, 149,648.70 and 33,209.56

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Solution

The fourth proportional to 99,787.32, 149,648.70 and 33,209.56 is: 49,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,787.32 : 149,648.70 = 33,209.56 : x
  2. Step 2: Convert to fraction form
    99,787.32/149,648.70 = 33,209.56/x
  3. Step 3: Cross multiply
    99,787.32x = 149,648.70 × 33,209.56
  4. Step 4: Simplify right side
    99,787.32x = 4,969,767,481.57
  5. Step 5: Solve for x
    x = 4,969,767,481.57/99,787.32
  6. Step 6: Final answer
    x = 49,803.60

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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.