Home / 159,741.08-220,442.92-88,120.96

Finding the Fourth Proportional to 159,741.08, 220,442.92 and 88,120.96

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Solution

The fourth proportional to 159,741.08, 220,442.92 and 88,120.96 is: 121,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.08 : 220,442.92 = 88,120.96 : x
  2. Step 2: Convert to fraction form
    159,741.08/220,442.92 = 88,120.96/x
  3. Step 3: Cross multiply
    159,741.08x = 220,442.92 × 88,120.96
  4. Step 4: Simplify right side
    159,741.08x = 19,425,641,735.60
  5. Step 5: Solve for x
    x = 19,425,641,735.60/159,741.08
  6. Step 6: Final answer
    x = 121,607.05

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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.