Home / 135,742.32-203,546.88-55,765.80

Finding the Fourth Proportional to 135,742.32, 203,546.88 and 55,765.80

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Solution

The fourth proportional to 135,742.32, 203,546.88 and 55,765.80 is: 83,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742.32 : 203,546.88 = 55,765.80 : x
  2. Step 2: Convert to fraction form
    135,742.32/203,546.88 = 55,765.80/x
  3. Step 3: Cross multiply
    135,742.32x = 203,546.88 × 55,765.80
  4. Step 4: Simplify right side
    135,742.32x = 11,350,954,600.70
  5. Step 5: Solve for x
    x = 11,350,954,600.70/135,742.32
  6. Step 6: Final answer
    x = 83,621.34

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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.