Home / 187,144.60-280,805.43-97,139.48

Finding the Fourth Proportional to 187,144.60, 280,805.43 and 97,139.48

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Solution

The fourth proportional to 187,144.60, 280,805.43 and 97,139.48 is: 145,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144.60 : 280,805.43 = 97,139.48 : x
  2. Step 2: Convert to fraction form
    187,144.60/280,805.43 = 97,139.48/x
  3. Step 3: Cross multiply
    187,144.60x = 280,805.43 × 97,139.48
  4. Step 4: Simplify right side
    187,144.60x = 27,277,293,201.39
  5. Step 5: Solve for x
    x = 27,277,293,201.39/187,144.60
  6. Step 6: Final answer
    x = 145,755.17

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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.