Home / 113,299.92-156,348.96-68,004.72

Finding the Fourth Proportional to 113,299.92, 156,348.96 and 68,004.72

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Solution

The fourth proportional to 113,299.92, 156,348.96 and 68,004.72 is: 93,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,299.92 : 156,348.96 = 68,004.72 : x
  2. Step 2: Convert to fraction form
    113,299.92/156,348.96 = 68,004.72/x
  3. Step 3: Cross multiply
    113,299.92x = 156,348.96 × 68,004.72
  4. Step 4: Simplify right side
    113,299.92x = 10,632,467,247.09
  5. Step 5: Solve for x
    x = 10,632,467,247.09/113,299.92
  6. Step 6: Final answer
    x = 93,843.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.