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Finding the Fourth Proportional to 135,250.40, 202,875.60 and 131,794.40

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Solution

The fourth proportional to 135,250.40, 202,875.60 and 131,794.40 is: 197,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,250.40 : 202,875.60 = 131,794.40 : x
  2. Step 2: Convert to fraction form
    135,250.40/202,875.60 = 131,794.40/x
  3. Step 3: Cross multiply
    135,250.40x = 202,875.60 × 131,794.40
  4. Step 4: Simplify right side
    135,250.40x = 26,737,867,976.64
  5. Step 5: Solve for x
    x = 26,737,867,976.64/135,250.40
  6. Step 6: Final answer
    x = 197,691.60

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1.5x scale

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.