Home / 179,385.60-268,981.20-74,215.20

Finding the Fourth Proportional to 179,385.60, 268,981.20 and 74,215.20

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Solution

The fourth proportional to 179,385.60, 268,981.20 and 74,215.20 is: 111,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,385.60 : 268,981.20 = 74,215.20 : x
  2. Step 2: Convert to fraction form
    179,385.60/268,981.20 = 74,215.20/x
  3. Step 3: Cross multiply
    179,385.60x = 268,981.20 × 74,215.20
  4. Step 4: Simplify right side
    179,385.60x = 19,962,493,554.24
  5. Step 5: Solve for x
    x = 19,962,493,554.24/179,385.60
  6. Step 6: Final answer
    x = 111,282.59

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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.