Home / 159,833.36-220,568.63-88,211.85

Finding the Fourth Proportional to 159,833.36, 220,568.63 and 88,211.85

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Solution

The fourth proportional to 159,833.36, 220,568.63 and 88,211.85 is: 121,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,833.36 : 220,568.63 = 88,211.85 : x
  2. Step 2: Convert to fraction form
    159,833.36/220,568.63 = 88,211.85/x
  3. Step 3: Cross multiply
    159,833.36x = 220,568.63 × 88,211.85
  4. Step 4: Simplify right side
    159,833.36x = 19,456,766,566.49
  5. Step 5: Solve for x
    x = 19,456,766,566.49/159,833.36
  6. Step 6: Final answer
    x = 121,731.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.