Home / 132,268.05-182,530.31-71,839.71

Finding the Fourth Proportional to 132,268.05, 182,530.31 and 71,839.71

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Solution

The fourth proportional to 132,268.05, 182,530.31 and 71,839.71 is: 99,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.05 : 182,530.31 = 71,839.71 : x
  2. Step 2: Convert to fraction form
    132,268.05/182,530.31 = 71,839.71/x
  3. Step 3: Cross multiply
    132,268.05x = 182,530.31 × 71,839.71
  4. Step 4: Simplify right side
    132,268.05x = 13,112,924,177.41
  5. Step 5: Solve for x
    x = 13,112,924,177.41/132,268.05
  6. Step 6: Final answer
    x = 99,139.01

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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.