Home / 132,239.15-198,316.59-43,472.19

Finding the Fourth Proportional to 132,239.15, 198,316.59 and 43,472.19

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Solution

The fourth proportional to 132,239.15, 198,316.59 and 43,472.19 is: 65,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,239.15 : 198,316.59 = 43,472.19 : x
  2. Step 2: Convert to fraction form
    132,239.15/198,316.59 = 43,472.19/x
  3. Step 3: Cross multiply
    132,239.15x = 198,316.59 × 43,472.19
  4. Step 4: Simplify right side
    132,239.15x = 8,621,256,480.63
  5. Step 5: Solve for x
    x = 8,621,256,480.63/132,239.15
  6. Step 6: Final answer
    x = 65,194.44

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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.