Home / 159,630.48-220,286.52-88,009.20

Finding the Fourth Proportional to 159,630.48, 220,286.52 and 88,009.20

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Solution

The fourth proportional to 159,630.48, 220,286.52 and 88,009.20 is: 121,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,630.48 : 220,286.52 = 88,009.20 : x
  2. Step 2: Convert to fraction form
    159,630.48/220,286.52 = 88,009.20/x
  3. Step 3: Cross multiply
    159,630.48x = 220,286.52 × 88,009.20
  4. Step 4: Simplify right side
    159,630.48x = 19,387,240,395.98
  5. Step 5: Solve for x
    x = 19,387,240,395.98/159,630.48
  6. Step 6: Final answer
    x = 121,450.74

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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.