Home / 150,565.62-207,779.14-82,581.21

Finding the Fourth Proportional to 150,565.62, 207,779.14 and 82,581.21

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Solution

The fourth proportional to 150,565.62, 207,779.14 and 82,581.21 is: 113,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,565.62 : 207,779.14 = 82,581.21 : x
  2. Step 2: Convert to fraction form
    150,565.62/207,779.14 = 82,581.21/x
  3. Step 3: Cross multiply
    150,565.62x = 207,779.14 × 82,581.21
  4. Step 4: Simplify right side
    150,565.62x = 17,158,652,793.96
  5. Step 5: Solve for x
    x = 17,158,652,793.96/150,565.62
  6. Step 6: Final answer
    x = 113,961.29

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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.