Home / 159,739.09-220,440.15-88,118.96

Finding the Fourth Proportional to 159,739.09, 220,440.15 and 88,118.96

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Solution

The fourth proportional to 159,739.09, 220,440.15 and 88,118.96 is: 121,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,739.09 : 220,440.15 = 88,118.96 : x
  2. Step 2: Convert to fraction form
    159,739.09/220,440.15 = 88,118.96/x
  3. Step 3: Cross multiply
    159,739.09x = 220,440.15 × 88,118.96
  4. Step 4: Simplify right side
    159,739.09x = 19,424,955,658.04
  5. Step 5: Solve for x
    x = 19,424,955,658.04/159,739.09
  6. Step 6: Final answer
    x = 121,604.27

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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.