Home / 132,334.10-198,173.10-84,876.20

Finding the Fourth Proportional to 132,334.10, 198,173.10 and 84,876.20

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Solution

The fourth proportional to 132,334.10, 198,173.10 and 84,876.20 is: 127,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.10 : 198,173.10 = 84,876.20 : x
  2. Step 2: Convert to fraction form
    132,334.10/198,173.10 = 84,876.20/x
  3. Step 3: Cross multiply
    132,334.10x = 198,173.10 × 84,876.20
  4. Step 4: Simplify right side
    132,334.10x = 16,820,179,670.22
  5. Step 5: Solve for x
    x = 16,820,179,670.22/132,334.10
  6. Step 6: Final answer
    x = 127,103.90

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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.