Home / 132,223.10-198,359.79-43,502.18

Finding the Fourth Proportional to 132,223.10, 198,359.79 and 43,502.18

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Solution

The fourth proportional to 132,223.10, 198,359.79 and 43,502.18 is: 65,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,223.10 : 198,359.79 = 43,502.18 : x
  2. Step 2: Convert to fraction form
    132,223.10/198,359.79 = 43,502.18/x
  3. Step 3: Cross multiply
    132,223.10x = 198,359.79 × 43,502.18
  4. Step 4: Simplify right side
    132,223.10x = 8,629,083,289.34
  5. Step 5: Solve for x
    x = 8,629,083,289.34/132,223.10
  6. Step 6: Final answer
    x = 65,261.54

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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.