Home / 159,904.86-220,669.04-88,285.02

Finding the Fourth Proportional to 159,904.86, 220,669.04 and 88,285.02

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Solution

The fourth proportional to 159,904.86, 220,669.04 and 88,285.02 is: 121,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,904.86 : 220,669.04 = 88,285.02 : x
  2. Step 2: Convert to fraction form
    159,904.86/220,669.04 = 88,285.02/x
  3. Step 3: Cross multiply
    159,904.86x = 220,669.04 × 88,285.02
  4. Step 4: Simplify right side
    159,904.86x = 19,481,770,609.78
  5. Step 5: Solve for x
    x = 19,481,770,609.78/159,904.86
  6. Step 6: Final answer
    x = 121,833.51

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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.