Home / 179,319.60-268,882.20-74,019.60

Finding the Fourth Proportional to 179,319.60, 268,882.20 and 74,019.60

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Solution

The fourth proportional to 179,319.60, 268,882.20 and 74,019.60 is: 110,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,319.60 : 268,882.20 = 74,019.60 : x
  2. Step 2: Convert to fraction form
    179,319.60/268,882.20 = 74,019.60/x
  3. Step 3: Cross multiply
    179,319.60x = 268,882.20 × 74,019.60
  4. Step 4: Simplify right side
    179,319.60x = 19,902,552,891.12
  5. Step 5: Solve for x
    x = 19,902,552,891.12/179,319.60
  6. Step 6: Final answer
    x = 110,989.28

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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.