Home / 120,979.60-181,469.40-32,246.80

Finding the Fourth Proportional to 120,979.60, 181,469.40 and 32,246.80

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Solution

The fourth proportional to 120,979.60, 181,469.40 and 32,246.80 is: 48,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,979.60 : 181,469.40 = 32,246.80 : x
  2. Step 2: Convert to fraction form
    120,979.60/181,469.40 = 32,246.80/x
  3. Step 3: Cross multiply
    120,979.60x = 181,469.40 × 32,246.80
  4. Step 4: Simplify right side
    120,979.60x = 5,851,807,447.92
  5. Step 5: Solve for x
    x = 5,851,807,447.92/120,979.60
  6. Step 6: Final answer
    x = 48,370.20

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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.