Home / 78,204.92-117,295.50-25,613.24

Finding the Fourth Proportional to 78,204.92, 117,295.50 and 25,613.24

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Solution

The fourth proportional to 78,204.92, 117,295.50 and 25,613.24 is: 38,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,204.92 : 117,295.50 = 25,613.24 : x
  2. Step 2: Convert to fraction form
    78,204.92/117,295.50 = 25,613.24/x
  3. Step 3: Cross multiply
    78,204.92x = 117,295.50 × 25,613.24
  4. Step 4: Simplify right side
    78,204.92x = 3,004,317,792.42
  5. Step 5: Solve for x
    x = 3,004,317,792.42/78,204.92
  6. Step 6: Final answer
    x = 38,415.97

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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.