Home / 252,764.56-348,816.78-138,040.24

Finding the Fourth Proportional to 252,764.56, 348,816.78 and 138,040.24

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Solution

The fourth proportional to 252,764.56, 348,816.78 and 138,040.24 is: 190,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,764.56 : 348,816.78 = 138,040.24 : x
  2. Step 2: Convert to fraction form
    252,764.56/348,816.78 = 138,040.24/x
  3. Step 3: Cross multiply
    252,764.56x = 348,816.78 × 138,040.24
  4. Step 4: Simplify right side
    252,764.56x = 48,150,752,027.23
  5. Step 5: Solve for x
    x = 48,150,752,027.23/252,764.56
  6. Step 6: Final answer
    x = 190,496.45

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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.