Home / 135,474.40-203,211.60-88,235.20

Finding the Fourth Proportional to 135,474.40, 203,211.60 and 88,235.20

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Solution

The fourth proportional to 135,474.40, 203,211.60 and 88,235.20 is: 132,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,474.40 : 203,211.60 = 88,235.20 : x
  2. Step 2: Convert to fraction form
    135,474.40/203,211.60 = 88,235.20/x
  3. Step 3: Cross multiply
    135,474.40x = 203,211.60 × 88,235.20
  4. Step 4: Simplify right side
    135,474.40x = 17,930,416,168.32
  5. Step 5: Solve for x
    x = 17,930,416,168.32/135,474.40
  6. Step 6: Final answer
    x = 132,352.80

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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.