Home / 151,983.20-228,104.40-67,872.80

Finding the Fourth Proportional to 151,983.20, 228,104.40 and 67,872.80

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Solution

The fourth proportional to 151,983.20, 228,104.40 and 67,872.80 is: 101,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,983.20 : 228,104.40 = 67,872.80 : x
  2. Step 2: Convert to fraction form
    151,983.20/228,104.40 = 67,872.80/x
  3. Step 3: Cross multiply
    151,983.20x = 228,104.40 × 67,872.80
  4. Step 4: Simplify right side
    151,983.20x = 15,482,084,320.32
  5. Step 5: Solve for x
    x = 15,482,084,320.32/151,983.20
  6. Step 6: Final answer
    x = 101,867.08

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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.