Home / 195,613.12-293,372.48-90,330.88

Finding the Fourth Proportional to 195,613.12, 293,372.48 and 90,330.88

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Solution

The fourth proportional to 195,613.12, 293,372.48 and 90,330.88 is: 135,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613.12 : 293,372.48 = 90,330.88 : x
  2. Step 2: Convert to fraction form
    195,613.12/293,372.48 = 90,330.88/x
  3. Step 3: Cross multiply
    195,613.12x = 293,372.48 × 90,330.88
  4. Step 4: Simplify right side
    195,613.12x = 26,500,594,286.18
  5. Step 5: Solve for x
    x = 26,500,594,286.18/195,613.12
  6. Step 6: Final answer
    x = 135,474.52

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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.