Home / 252,899.57-348,997.26-138,175.74

Finding the Fourth Proportional to 252,899.57, 348,997.26 and 138,175.74

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Solution

The fourth proportional to 252,899.57, 348,997.26 and 138,175.74 is: 190,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,899.57 : 348,997.26 = 138,175.74 : x
  2. Step 2: Convert to fraction form
    252,899.57/348,997.26 = 138,175.74/x
  3. Step 3: Cross multiply
    252,899.57x = 348,997.26 × 138,175.74
  4. Step 4: Simplify right side
    252,899.57x = 48,222,954,399.39
  5. Step 5: Solve for x
    x = 48,222,954,399.39/252,899.57
  6. Step 6: Final answer
    x = 190,680.26

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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.