Home / 131,997.60-198,165.36-113,396.64

Finding the Fourth Proportional to 131,997.60, 198,165.36 and 113,396.64

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Solution

The fourth proportional to 131,997.60, 198,165.36 and 113,396.64 is: 170,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,997.60 : 198,165.36 = 113,396.64 : x
  2. Step 2: Convert to fraction form
    131,997.60/198,165.36 = 113,396.64/x
  3. Step 3: Cross multiply
    131,997.60x = 198,165.36 × 113,396.64
  4. Step 4: Simplify right side
    131,997.60x = 22,471,285,988.39
  5. Step 5: Solve for x
    x = 22,471,285,988.39/131,997.60
  6. Step 6: Final answer
    x = 170,240.11

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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.