Home / 187,736.31-281,685.12-124,578.49

Finding the Fourth Proportional to 187,736.31, 281,685.12 and 124,578.49

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Solution

The fourth proportional to 187,736.31, 281,685.12 and 124,578.49 is: 186,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,736.31 : 281,685.12 = 124,578.49 : x
  2. Step 2: Convert to fraction form
    187,736.31/281,685.12 = 124,578.49/x
  3. Step 3: Cross multiply
    187,736.31x = 281,685.12 × 124,578.49
  4. Step 4: Simplify right side
    187,736.31x = 35,091,905,733.69
  5. Step 5: Solve for x
    x = 35,091,905,733.69/187,736.31
  6. Step 6: Final answer
    x = 186,921.25

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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.