Home / 132,155.55-198,127.62-68,943.96

Finding the Fourth Proportional to 132,155.55, 198,127.62 and 68,943.96

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Solution

The fourth proportional to 132,155.55, 198,127.62 and 68,943.96 is: 103,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.55 : 198,127.62 = 68,943.96 : x
  2. Step 2: Convert to fraction form
    132,155.55/198,127.62 = 68,943.96/x
  3. Step 3: Cross multiply
    132,155.55x = 198,127.62 × 68,943.96
  4. Step 4: Simplify right side
    132,155.55x = 13,659,702,708.18
  5. Step 5: Solve for x
    x = 13,659,702,708.18/132,155.55
  6. Step 6: Final answer
    x = 103,360.79

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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.