Home / 159,834.06-220,559.09-91,851.17

Finding the Fourth Proportional to 159,834.06, 220,559.09 and 91,851.17

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Solution

The fourth proportional to 159,834.06, 220,559.09 and 91,851.17 is: 126,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.06 : 220,559.09 = 91,851.17 : x
  2. Step 2: Convert to fraction form
    159,834.06/220,559.09 = 91,851.17/x
  3. Step 3: Cross multiply
    159,834.06x = 220,559.09 × 91,851.17
  4. Step 4: Simplify right side
    159,834.06x = 20,258,608,908.58
  5. Step 5: Solve for x
    x = 20,258,608,908.58/159,834.06
  6. Step 6: Final answer
    x = 126,747.76

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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.