Home / 186,965.83-258,012.70-102,082.89

Finding the Fourth Proportional to 186,965.83, 258,012.70 and 102,082.89

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Solution

The fourth proportional to 186,965.83, 258,012.70 and 102,082.89 is: 140,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,965.83 : 258,012.70 = 102,082.89 : x
  2. Step 2: Convert to fraction form
    186,965.83/258,012.70 = 102,082.89/x
  3. Step 3: Cross multiply
    186,965.83x = 258,012.70 × 102,082.89
  4. Step 4: Simplify right side
    186,965.83x = 26,338,682,072.70
  5. Step 5: Solve for x
    x = 26,338,682,072.70/186,965.83
  6. Step 6: Final answer
    x = 140,874.31

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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.