Home / 187,722.21-281,524.42-61,333.66

Finding the Fourth Proportional to 187,722.21, 281,524.42 and 61,333.66

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Solution

The fourth proportional to 187,722.21, 281,524.42 and 61,333.66 is: 91,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,722.21 : 281,524.42 = 61,333.66 : x
  2. Step 2: Convert to fraction form
    187,722.21/281,524.42 = 61,333.66/x
  3. Step 3: Cross multiply
    187,722.21x = 281,524.42 × 61,333.66
  4. Step 4: Simplify right side
    187,722.21x = 17,266,923,057.98
  5. Step 5: Solve for x
    x = 17,266,923,057.98/187,722.21
  6. Step 6: Final answer
    x = 91,981.25

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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.