Home / 252,899.53-348,997.28-138,175.72

Finding the Fourth Proportional to 252,899.53, 348,997.28 and 138,175.72

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Solution

The fourth proportional to 252,899.53, 348,997.28 and 138,175.72 is: 190,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,899.53 : 348,997.28 = 138,175.72 : x
  2. Step 2: Convert to fraction form
    252,899.53/348,997.28 = 138,175.72/x
  3. Step 3: Cross multiply
    252,899.53x = 348,997.28 × 138,175.72
  4. Step 4: Simplify right side
    252,899.53x = 48,222,948,878.67
  5. Step 5: Solve for x
    x = 48,222,948,878.67/252,899.53
  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.