Home / 178,872.20-268,308.30-80,568.20

Finding the Fourth Proportional to 178,872.20, 268,308.30 and 80,568.20

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Solution

The fourth proportional to 178,872.20, 268,308.30 and 80,568.20 is: 120,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,872.20 : 268,308.30 = 80,568.20 : x
  2. Step 2: Convert to fraction form
    178,872.20/268,308.30 = 80,568.20/x
  3. Step 3: Cross multiply
    178,872.20x = 268,308.30 × 80,568.20
  4. Step 4: Simplify right side
    178,872.20x = 21,617,116,776.06
  5. Step 5: Solve for x
    x = 21,617,116,776.06/178,872.20
  6. Step 6: Final answer
    x = 120,852.30

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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.