Home / 159,711.06-220,411.35-88,091.22

Finding the Fourth Proportional to 159,711.06, 220,411.35 and 88,091.22

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Solution

The fourth proportional to 159,711.06, 220,411.35 and 88,091.22 is: 121,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,711.06 : 220,411.35 = 88,091.22 : x
  2. Step 2: Convert to fraction form
    159,711.06/220,411.35 = 88,091.22/x
  3. Step 3: Cross multiply
    159,711.06x = 220,411.35 × 88,091.22
  4. Step 4: Simplify right side
    159,711.06x = 19,416,304,723.35
  5. Step 5: Solve for x
    x = 19,416,304,723.35/159,711.06
  6. Step 6: Final answer
    x = 121,571.45

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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.