Home / 132,129.10-198,119.35-43,375.17

Finding the Fourth Proportional to 132,129.10, 198,119.35 and 43,375.17

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Solution

The fourth proportional to 132,129.10, 198,119.35 and 43,375.17 is: 65,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129.10 : 198,119.35 = 43,375.17 : x
  2. Step 2: Convert to fraction form
    132,129.10/198,119.35 = 43,375.17/x
  3. Step 3: Cross multiply
    132,129.10x = 198,119.35 × 43,375.17
  4. Step 4: Simplify right side
    132,129.10x = 8,593,460,486.54
  5. Step 5: Solve for x
    x = 8,593,460,486.54/132,129.10
  6. Step 6: Final answer
    x = 65,038.36

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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.