Home / 254,107.08-350,665.32-139,383.36

Finding the Fourth Proportional to 254,107.08, 350,665.32 and 139,383.36

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Solution

The fourth proportional to 254,107.08, 350,665.32 and 139,383.36 is: 192,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,107.08 : 350,665.32 = 139,383.36 : x
  2. Step 2: Convert to fraction form
    254,107.08/350,665.32 = 139,383.36/x
  3. Step 3: Cross multiply
    254,107.08x = 350,665.32 × 139,383.36
  4. Step 4: Simplify right side
    254,107.08x = 48,876,910,537.08
  5. Step 5: Solve for x
    x = 48,876,910,537.08/254,107.08
  6. Step 6: Final answer
    x = 192,347.69

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1.5x scale

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.