Home / 132,442.20-198,669.42-43,703.46

Finding the Fourth Proportional to 132,442.20, 198,669.42 and 43,703.46

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Solution

The fourth proportional to 132,442.20, 198,669.42 and 43,703.46 is: 65,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,442.20 : 198,669.42 = 43,703.46 : x
  2. Step 2: Convert to fraction form
    132,442.20/198,669.42 = 43,703.46/x
  3. Step 3: Cross multiply
    132,442.20x = 198,669.42 × 43,703.46
  4. Step 4: Simplify right side
    132,442.20x = 8,682,541,050.19
  5. Step 5: Solve for x
    x = 8,682,541,050.19/132,442.20
  6. Step 6: Final answer
    x = 65,557.21

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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.