Home / 252,456.36-348,383.94-139,279.08

Finding the Fourth Proportional to 252,456.36, 348,383.94 and 139,279.08

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Solution

The fourth proportional to 252,456.36, 348,383.94 and 139,279.08 is: 192,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,456.36 : 348,383.94 = 139,279.08 : x
  2. Step 2: Convert to fraction form
    252,456.36/348,383.94 = 139,279.08/x
  3. Step 3: Cross multiply
    252,456.36x = 348,383.94 × 139,279.08
  4. Step 4: Simplify right side
    252,456.36x = 48,522,594,649.98
  5. Step 5: Solve for x
    x = 48,522,594,649.98/252,456.36
  6. Step 6: Final answer
    x = 192,201.91

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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.