Home / 182,780.09-274,304.82-86,717.66

Finding the Fourth Proportional to 182,780.09, 274,304.82 and 86,717.66

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Solution

The fourth proportional to 182,780.09, 274,304.82 and 86,717.66 is: 130,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,780.09 : 274,304.82 = 86,717.66 : x
  2. Step 2: Convert to fraction form
    182,780.09/274,304.82 = 86,717.66/x
  3. Step 3: Cross multiply
    182,780.09x = 274,304.82 × 86,717.66
  4. Step 4: Simplify right side
    182,780.09x = 23,787,072,775.50
  5. Step 5: Solve for x
    x = 23,787,072,775.50/182,780.09
  6. Step 6: Final answer
    x = 130,140.39

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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.