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Finding the Fourth Proportional to 135,164.30, 202,777.24 and 71,951.11

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Solution

The fourth proportional to 135,164.30, 202,777.24 and 71,951.11 is: 107,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,164.30 : 202,777.24 = 71,951.11 : x
  2. Step 2: Convert to fraction form
    135,164.30/202,777.24 = 71,951.11/x
  3. Step 3: Cross multiply
    135,164.30x = 202,777.24 × 71,951.11
  4. Step 4: Simplify right side
    135,164.30x = 14,590,048,540.17
  5. Step 5: Solve for x
    x = 14,590,048,540.17/135,164.30
  6. Step 6: Final answer
    x = 107,943.06

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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.