Home / 159,475.44-220,074.84-87,863.28

Finding the Fourth Proportional to 159,475.44, 220,074.84 and 87,863.28

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Solution

The fourth proportional to 159,475.44, 220,074.84 and 87,863.28 is: 121,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,475.44 : 220,074.84 = 87,863.28 : x
  2. Step 2: Convert to fraction form
    159,475.44/220,074.84 = 87,863.28/x
  3. Step 3: Cross multiply
    159,475.44x = 220,074.84 × 87,863.28
  4. Step 4: Simplify right side
    159,475.44x = 19,336,497,287.88
  5. Step 5: Solve for x
    x = 19,336,497,287.88/159,475.44
  6. Step 6: Final answer
    x = 121,250.63

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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.