Home / 215,680.86-323,565.03-75,537.90

Finding the Fourth Proportional to 215,680.86, 323,565.03 and 75,537.90

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Solution

The fourth proportional to 215,680.86, 323,565.03 and 75,537.90 is: 113,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,680.86 : 323,565.03 = 75,537.90 : x
  2. Step 2: Convert to fraction form
    215,680.86/323,565.03 = 75,537.90/x
  3. Step 3: Cross multiply
    215,680.86x = 323,565.03 × 75,537.90
  4. Step 4: Simplify right side
    215,680.86x = 24,441,422,879.64
  5. Step 5: Solve for x
    x = 24,441,422,879.64/215,680.86
  6. Step 6: Final answer
    x = 113,322.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.