Home / 187,137.73-258,243.91-118,264.01

Finding the Fourth Proportional to 187,137.73, 258,243.91 and 118,264.01

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Solution

The fourth proportional to 187,137.73, 258,243.91 and 118,264.01 is: 163,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,137.73 : 258,243.91 = 118,264.01 : x
  2. Step 2: Convert to fraction form
    187,137.73/258,243.91 = 118,264.01/x
  3. Step 3: Cross multiply
    187,137.73x = 258,243.91 × 118,264.01
  4. Step 4: Simplify right side
    187,137.73x = 30,540,958,767.80
  5. Step 5: Solve for x
    x = 30,540,958,767.80/187,137.73
  6. Step 6: Final answer
    x = 163,200.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.