Home / 135,845.94-187,577.46-84,918

Finding the Fourth Proportional to 135,845.94, 187,577.46 and 84,918

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Solution

The fourth proportional to 135,845.94, 187,577.46 and 84,918 is: 117,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,845.94 : 187,577.46 = 84,918 : x
  2. Step 2: Convert to fraction form
    135,845.94/187,577.46 = 84,918/x
  3. Step 3: Cross multiply
    135,845.94x = 187,577.46 × 84,918
  4. Step 4: Simplify right side
    135,845.94x = 15,928,702,748.28
  5. Step 5: Solve for x
    x = 15,928,702,748.28/135,845.94
  6. Step 6: Final answer
    x = 117,255.64

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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.