Home / 120,787.10-181,180.65-41,909.30

Finding the Fourth Proportional to 120,787.10, 181,180.65 and 41,909.30

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Solution

The fourth proportional to 120,787.10, 181,180.65 and 41,909.30 is: 62,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,787.10 : 181,180.65 = 41,909.30 : x
  2. Step 2: Convert to fraction form
    120,787.10/181,180.65 = 41,909.30/x
  3. Step 3: Cross multiply
    120,787.10x = 181,180.65 × 41,909.30
  4. Step 4: Simplify right side
    120,787.10x = 7,593,154,215.05
  5. Step 5: Solve for x
    x = 7,593,154,215.05/120,787.10
  6. Step 6: Final answer
    x = 62,863.95

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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.