Home / 132,185.71-198,236.57-43,418.55

Finding the Fourth Proportional to 132,185.71, 198,236.57 and 43,418.55

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Solution

The fourth proportional to 132,185.71, 198,236.57 and 43,418.55 is: 65,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,185.71 : 198,236.57 = 43,418.55 : x
  2. Step 2: Convert to fraction form
    132,185.71/198,236.57 = 43,418.55/x
  3. Step 3: Cross multiply
    132,185.71x = 198,236.57 × 43,418.55
  4. Step 4: Simplify right side
    132,185.71x = 8,607,144,534.92
  5. Step 5: Solve for x
    x = 8,607,144,534.92/132,185.71
  6. Step 6: Final answer
    x = 65,114.03

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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.