Home / 132,354.12-198,555.78-43,611.12

Finding the Fourth Proportional to 132,354.12, 198,555.78 and 43,611.12

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Solution

The fourth proportional to 132,354.12, 198,555.78 and 43,611.12 is: 65,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,354.12 : 198,555.78 = 43,611.12 : x
  2. Step 2: Convert to fraction form
    132,354.12/198,555.78 = 43,611.12/x
  3. Step 3: Cross multiply
    132,354.12x = 198,555.78 × 43,611.12
  4. Step 4: Simplify right side
    132,354.12x = 8,659,239,948.27
  5. Step 5: Solve for x
    x = 8,659,239,948.27/132,354.12
  6. Step 6: Final answer
    x = 65,424.79

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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.