Home / 132,122.60-198,414.30-127,975.40

Finding the Fourth Proportional to 132,122.60, 198,414.30 and 127,975.40

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Solution

The fourth proportional to 132,122.60, 198,414.30 and 127,975.40 is: 192,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,122.60 : 198,414.30 = 127,975.40 : x
  2. Step 2: Convert to fraction form
    132,122.60/198,414.30 = 127,975.40/x
  3. Step 3: Cross multiply
    132,122.60x = 198,414.30 × 127,975.40
  4. Step 4: Simplify right side
    132,122.60x = 25,392,149,408.22
  5. Step 5: Solve for x
    x = 25,392,149,408.22/132,122.60
  6. Step 6: Final answer
    x = 192,186.27

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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.