Home / 159,120.48-219,591.96-87,506.04

Finding the Fourth Proportional to 159,120.48, 219,591.96 and 87,506.04

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Solution

The fourth proportional to 159,120.48, 219,591.96 and 87,506.04 is: 120,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,120.48 : 219,591.96 = 87,506.04 : x
  2. Step 2: Convert to fraction form
    159,120.48/219,591.96 = 87,506.04/x
  3. Step 3: Cross multiply
    159,120.48x = 219,591.96 × 87,506.04
  4. Step 4: Simplify right side
    159,120.48x = 19,215,622,835.44
  5. Step 5: Solve for x
    x = 19,215,622,835.44/159,120.48
  6. Step 6: Final answer
    x = 120,761.47

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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.