Home / 135,733.80-203,543.10-65,634.60

Finding the Fourth Proportional to 135,733.80, 203,543.10 and 65,634.60

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Solution

The fourth proportional to 135,733.80, 203,543.10 and 65,634.60 is: 98,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,733.80 : 203,543.10 = 65,634.60 : x
  2. Step 2: Convert to fraction form
    135,733.80/203,543.10 = 65,634.60/x
  3. Step 3: Cross multiply
    135,733.80x = 203,543.10 × 65,634.60
  4. Step 4: Simplify right side
    135,733.80x = 13,359,469,951.26
  5. Step 5: Solve for x
    x = 13,359,469,951.26/135,733.80
  6. Step 6: Final answer
    x = 98,424.05

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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.