Home / 85,255.92-127,730.64-50,176.44

Finding the Fourth Proportional to 85,255.92, 127,730.64 and 50,176.44

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Solution

The fourth proportional to 85,255.92, 127,730.64 and 50,176.44 is: 75,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,255.92 : 127,730.64 = 50,176.44 : x
  2. Step 2: Convert to fraction form
    85,255.92/127,730.64 = 50,176.44/x
  3. Step 3: Cross multiply
    85,255.92x = 127,730.64 × 50,176.44
  4. Step 4: Simplify right side
    85,255.92x = 6,409,068,794.12
  5. Step 5: Solve for x
    x = 6,409,068,794.12/85,255.92
  6. Step 6: Final answer
    x = 75,174.47

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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.