Home / 187,391.96-281,107.62-61,042.05

Finding the Fourth Proportional to 187,391.96, 281,107.62 and 61,042.05

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Solution

The fourth proportional to 187,391.96, 281,107.62 and 61,042.05 is: 91,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,391.96 : 281,107.62 = 61,042.05 : x
  2. Step 2: Convert to fraction form
    187,391.96/281,107.62 = 61,042.05/x
  3. Step 3: Cross multiply
    187,391.96x = 281,107.62 × 61,042.05
  4. Step 4: Simplify right side
    187,391.96x = 17,159,385,395.42
  5. Step 5: Solve for x
    x = 17,159,385,395.42/187,391.96
  6. Step 6: Final answer
    x = 91,569.49

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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.