Home / 132,394.75-182,705.97-71,965.53

Finding the Fourth Proportional to 132,394.75, 182,705.97 and 71,965.53

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Solution

The fourth proportional to 132,394.75, 182,705.97 and 71,965.53 is: 99,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,394.75 : 182,705.97 = 71,965.53 : x
  2. Step 2: Convert to fraction form
    132,394.75/182,705.97 = 71,965.53/x
  3. Step 3: Cross multiply
    132,394.75x = 182,705.97 × 71,965.53
  4. Step 4: Simplify right side
    132,394.75x = 13,148,531,965.21
  5. Step 5: Solve for x
    x = 13,148,531,965.21/132,394.75
  6. Step 6: Final answer
    x = 99,313.10

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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.