Home / 159,569.06-220,204.20-87,949.12

Finding the Fourth Proportional to 159,569.06, 220,204.20 and 87,949.12

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Solution

The fourth proportional to 159,569.06, 220,204.20 and 87,949.12 is: 121,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,569.06 : 220,204.20 = 87,949.12 : x
  2. Step 2: Convert to fraction form
    159,569.06/220,204.20 = 87,949.12/x
  3. Step 3: Cross multiply
    159,569.06x = 220,204.20 × 87,949.12
  4. Step 4: Simplify right side
    159,569.06x = 19,366,765,610.30
  5. Step 5: Solve for x
    x = 19,366,765,610.30/159,569.06
  6. Step 6: Final answer
    x = 121,369.18

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1.5x scale

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.