Home / 154,640.04-231,996.96-54,808.95

Finding the Fourth Proportional to 154,640.04, 231,996.96 and 54,808.95

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Solution

The fourth proportional to 154,640.04, 231,996.96 and 54,808.95 is: 82,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,640.04 : 231,996.96 = 54,808.95 : x
  2. Step 2: Convert to fraction form
    154,640.04/231,996.96 = 54,808.95/x
  3. Step 3: Cross multiply
    154,640.04x = 231,996.96 × 54,808.95
  4. Step 4: Simplify right side
    154,640.04x = 12,715,510,650.78
  5. Step 5: Solve for x
    x = 12,715,510,650.78/154,640.04
  6. Step 6: Final answer
    x = 82,226.51

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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.