Home / 132,272.96-182,538.01-71,844.78

Finding the Fourth Proportional to 132,272.96, 182,538.01 and 71,844.78

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Solution

The fourth proportional to 132,272.96, 182,538.01 and 71,844.78 is: 99,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,272.96 : 182,538.01 = 71,844.78 : x
  2. Step 2: Convert to fraction form
    132,272.96/182,538.01 = 71,844.78/x
  3. Step 3: Cross multiply
    132,272.96x = 182,538.01 × 71,844.78
  4. Step 4: Simplify right side
    132,272.96x = 13,114,403,170.09
  5. Step 5: Solve for x
    x = 13,114,403,170.09/132,272.96
  6. Step 6: Final answer
    x = 99,146.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.