Home / 187,361.36-281,134.31-87,528.57

Finding the Fourth Proportional to 187,361.36, 281,134.31 and 87,528.57

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Solution

The fourth proportional to 187,361.36, 281,134.31 and 87,528.57 is: 131,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,361.36 : 281,134.31 = 87,528.57 : x
  2. Step 2: Convert to fraction form
    187,361.36/281,134.31 = 87,528.57/x
  3. Step 3: Cross multiply
    187,361.36x = 281,134.31 × 87,528.57
  4. Step 4: Simplify right side
    187,361.36x = 24,607,283,694.59
  5. Step 5: Solve for x
    x = 24,607,283,694.59/187,361.36
  6. Step 6: Final answer
    x = 131,335.96

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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.