Home / 215,439.42-322,992.62-108,768.48

Finding the Fourth Proportional to 215,439.42, 322,992.62 and 108,768.48

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Solution

The fourth proportional to 215,439.42, 322,992.62 and 108,768.48 is: 163,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,439.42 : 322,992.62 = 108,768.48 : x
  2. Step 2: Convert to fraction form
    215,439.42/322,992.62 = 108,768.48/x
  3. Step 3: Cross multiply
    215,439.42x = 322,992.62 × 108,768.48
  4. Step 4: Simplify right side
    215,439.42x = 35,131,416,328.62
  5. Step 5: Solve for x
    x = 35,131,416,328.62/215,439.42
  6. Step 6: Final answer
    x = 163,068.65

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1.5x scale

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.