Home / 159,741.58-220,443.61-88,121.46

Finding the Fourth Proportional to 159,741.58, 220,443.61 and 88,121.46

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Solution

The fourth proportional to 159,741.58, 220,443.61 and 88,121.46 is: 121,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.58 : 220,443.61 = 88,121.46 : x
  2. Step 2: Convert to fraction form
    159,741.58/220,443.61 = 88,121.46/x
  3. Step 3: Cross multiply
    159,741.58x = 220,443.61 × 88,121.46
  4. Step 4: Simplify right side
    159,741.58x = 19,425,812,760.87
  5. Step 5: Solve for x
    x = 19,425,812,760.87/159,741.58
  6. Step 6: Final answer
    x = 121,607.74

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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.