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Finding the Fourth Proportional to 135,330.40, 202,995.60 and 132,997.60

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Solution

The fourth proportional to 135,330.40, 202,995.60 and 132,997.60 is: 199,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,330.40 : 202,995.60 = 132,997.60 : x
  2. Step 2: Convert to fraction form
    135,330.40/202,995.60 = 132,997.60/x
  3. Step 3: Cross multiply
    135,330.40x = 202,995.60 × 132,997.60
  4. Step 4: Simplify right side
    135,330.40x = 26,997,927,610.56
  5. Step 5: Solve for x
    x = 26,997,927,610.56/135,330.40
  6. Step 6: Final answer
    x = 199,496.40

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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.