Home / 148,286.12-204,635.84-80,303.15

Finding the Fourth Proportional to 148,286.12, 204,635.84 and 80,303.15

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Solution

The fourth proportional to 148,286.12, 204,635.84 and 80,303.15 is: 110,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,286.12 : 204,635.84 = 80,303.15 : x
  2. Step 2: Convert to fraction form
    148,286.12/204,635.84 = 80,303.15/x
  3. Step 3: Cross multiply
    148,286.12x = 204,635.84 × 80,303.15
  4. Step 4: Simplify right side
    148,286.12x = 16,432,902,191.45
  5. Step 5: Solve for x
    x = 16,432,902,191.45/148,286.12
  6. Step 6: Final answer
    x = 110,818.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.