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Finding the Fourth Proportional to 132,751.47, 199,053.38 and 43,956.53

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Solution

The fourth proportional to 132,751.47, 199,053.38 and 43,956.53 is: 65,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,751.47 : 199,053.38 = 43,956.53 : x
  2. Step 2: Convert to fraction form
    132,751.47/199,053.38 = 43,956.53/x
  3. Step 3: Cross multiply
    132,751.47x = 199,053.38 × 43,956.53
  4. Step 4: Simplify right side
    132,751.47x = 8,749,696,312.26
  5. Step 5: Solve for x
    x = 8,749,696,312.26/132,751.47
  6. Step 6: Final answer
    x = 65,910.36

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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.