Home / 120,499.92-166,289.76-66,785.04

Finding the Fourth Proportional to 120,499.92, 166,289.76 and 66,785.04

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Solution

The fourth proportional to 120,499.92, 166,289.76 and 66,785.04 is: 92,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,499.92 : 166,289.76 = 66,785.04 : x
  2. Step 2: Convert to fraction form
    120,499.92/166,289.76 = 66,785.04/x
  3. Step 3: Cross multiply
    120,499.92x = 166,289.76 × 66,785.04
  4. Step 4: Simplify right side
    120,499.92x = 11,105,668,273.19
  5. Step 5: Solve for x
    x = 11,105,668,273.19/120,499.92
  6. Step 6: Final answer
    x = 92,163.28

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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.