Home / 187,419.45-281,128.82-61,059.54

Finding the Fourth Proportional to 187,419.45, 281,128.82 and 61,059.54

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Solution

The fourth proportional to 187,419.45, 281,128.82 and 61,059.54 is: 91,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,419.45 : 281,128.82 = 61,059.54 : x
  2. Step 2: Convert to fraction form
    187,419.45/281,128.82 = 61,059.54/x
  3. Step 3: Cross multiply
    187,419.45x = 281,128.82 × 61,059.54
  4. Step 4: Simplify right side
    187,419.45x = 17,165,596,429.94
  5. Step 5: Solve for x
    x = 17,165,596,429.94/187,419.45
  6. Step 6: Final answer
    x = 91,589.19

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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.