Home / 132,906.07-199,133.43-80,204.82

Finding the Fourth Proportional to 132,906.07, 199,133.43 and 80,204.82

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Solution

The fourth proportional to 132,906.07, 199,133.43 and 80,204.82 is: 120,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.07 : 199,133.43 = 80,204.82 : x
  2. Step 2: Convert to fraction form
    132,906.07/199,133.43 = 80,204.82/x
  3. Step 3: Cross multiply
    132,906.07x = 199,133.43 × 80,204.82
  4. Step 4: Simplify right side
    132,906.07x = 15,971,460,909.13
  5. Step 5: Solve for x
    x = 15,971,460,909.13/132,906.07
  6. Step 6: Final answer
    x = 120,171.04

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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.