Home / 132,239.73-182,537.39-78,524.35

Finding the Fourth Proportional to 132,239.73, 182,537.39 and 78,524.35

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Solution

The fourth proportional to 132,239.73, 182,537.39 and 78,524.35 is: 108,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,239.73 : 182,537.39 = 78,524.35 : x
  2. Step 2: Convert to fraction form
    132,239.73/182,537.39 = 78,524.35/x
  3. Step 3: Cross multiply
    132,239.73x = 182,537.39 × 78,524.35
  4. Step 4: Simplify right side
    132,239.73x = 14,333,629,344.98
  5. Step 5: Solve for x
    x = 14,333,629,344.98/132,239.73
  6. Step 6: Final answer
    x = 108,391.25

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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.