Home / 230,188.34-345,227.84-87,981.40

Finding the Fourth Proportional to 230,188.34, 345,227.84 and 87,981.40

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Solution

The fourth proportional to 230,188.34, 345,227.84 and 87,981.40 is: 131,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,188.34 : 345,227.84 = 87,981.40 : x
  2. Step 2: Convert to fraction form
    230,188.34/345,227.84 = 87,981.40/x
  3. Step 3: Cross multiply
    230,188.34x = 345,227.84 × 87,981.40
  4. Step 4: Simplify right side
    230,188.34x = 30,373,629,003.73
  5. Step 5: Solve for x
    x = 30,373,629,003.73/230,188.34
  6. Step 6: Final answer
    x = 131,951.20

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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.