Home / 187,781.44-281,716.43-61,421.17

Finding the Fourth Proportional to 187,781.44, 281,716.43 and 61,421.17

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Solution

The fourth proportional to 187,781.44, 281,716.43 and 61,421.17 is: 92,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,781.44 : 281,716.43 = 61,421.17 : x
  2. Step 2: Convert to fraction form
    187,781.44/281,716.43 = 61,421.17/x
  3. Step 3: Cross multiply
    187,781.44x = 281,716.43 × 61,421.17
  4. Step 4: Simplify right side
    187,781.44x = 17,303,353,789.63
  5. Step 5: Solve for x
    x = 17,303,353,789.63/187,781.44
  6. Step 6: Final answer
    x = 92,146.24

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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.