Home / 78,207.44-117,327.76-25,613.04

Finding the Fourth Proportional to 78,207.44, 117,327.76 and 25,613.04

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Solution

The fourth proportional to 78,207.44, 117,327.76 and 25,613.04 is: 38,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,207.44 : 117,327.76 = 25,613.04 : x
  2. Step 2: Convert to fraction form
    78,207.44/117,327.76 = 25,613.04/x
  3. Step 3: Cross multiply
    78,207.44x = 117,327.76 × 25,613.04
  4. Step 4: Simplify right side
    78,207.44x = 3,005,120,609.99
  5. Step 5: Solve for x
    x = 3,005,120,609.99/78,207.44
  6. Step 6: Final answer
    x = 38,425.00

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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.