Home / 272,167.20-408,247.92-85,180.32

Finding the Fourth Proportional to 272,167.20, 408,247.92 and 85,180.32

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Solution

The fourth proportional to 272,167.20, 408,247.92 and 85,180.32 is: 127,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,167.20 : 408,247.92 = 85,180.32 : x
  2. Step 2: Convert to fraction form
    272,167.20/408,247.92 = 85,180.32/x
  3. Step 3: Cross multiply
    272,167.20x = 408,247.92 × 85,180.32
  4. Step 4: Simplify right side
    272,167.20x = 34,774,688,464.93
  5. Step 5: Solve for x
    x = 34,774,688,464.93/272,167.20
  6. Step 6: Final answer
    x = 127,769.58

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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.