Home / 179,179.68-268,526.88-68,311.20

Finding the Fourth Proportional to 179,179.68, 268,526.88 and 68,311.20

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Solution

The fourth proportional to 179,179.68, 268,526.88 and 68,311.20 is: 102,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,179.68 : 268,526.88 = 68,311.20 : x
  2. Step 2: Convert to fraction form
    179,179.68/268,526.88 = 68,311.20/x
  3. Step 3: Cross multiply
    179,179.68x = 268,526.88 × 68,311.20
  4. Step 4: Simplify right side
    179,179.68x = 18,343,393,405.06
  5. Step 5: Solve for x
    x = 18,343,393,405.06/179,179.68
  6. Step 6: Final answer
    x = 102,374.29

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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.