Home / 121,872.32-182,812.28-33,127.70

Finding the Fourth Proportional to 121,872.32, 182,812.28 and 33,127.70

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Solution

The fourth proportional to 121,872.32, 182,812.28 and 33,127.70 is: 49,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,872.32 : 182,812.28 = 33,127.70 : x
  2. Step 2: Convert to fraction form
    121,872.32/182,812.28 = 33,127.70/x
  3. Step 3: Cross multiply
    121,872.32x = 182,812.28 × 33,127.70
  4. Step 4: Simplify right side
    121,872.32x = 6,056,150,659.55
  5. Step 5: Solve for x
    x = 6,056,150,659.55/121,872.32
  6. Step 6: Final answer
    x = 49,692.59

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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.