Home / 159,568.03-220,204.90-87,948.06

Finding the Fourth Proportional to 159,568.03, 220,204.90 and 87,948.06

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Solution

The fourth proportional to 159,568.03, 220,204.90 and 87,948.06 is: 121,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,568.03 : 220,204.90 = 87,948.06 : x
  2. Step 2: Convert to fraction form
    159,568.03/220,204.90 = 87,948.06/x
  3. Step 3: Cross multiply
    159,568.03x = 220,204.90 × 87,948.06
  4. Step 4: Simplify right side
    159,568.03x = 19,366,593,757.49
  5. Step 5: Solve for x
    x = 19,366,593,757.49/159,568.03
  6. Step 6: Final answer
    x = 121,368.88

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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.