Home / 252,213.75-348,062.27-139,043.79

Finding the Fourth Proportional to 252,213.75, 348,062.27 and 139,043.79

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Solution

The fourth proportional to 252,213.75, 348,062.27 and 139,043.79 is: 191,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,213.75 : 348,062.27 = 139,043.79 : x
  2. Step 2: Convert to fraction form
    252,213.75/348,062.27 = 139,043.79/x
  3. Step 3: Cross multiply
    252,213.75x = 348,062.27 × 139,043.79
  4. Step 4: Simplify right side
    252,213.75x = 48,395,896,481.58
  5. Step 5: Solve for x
    x = 48,395,896,481.58/252,213.75
  6. Step 6: Final answer
    x = 191,884.45

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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.