Home / 254,906.19-382,410.32-142,745.90

Finding the Fourth Proportional to 254,906.19, 382,410.32 and 142,745.90

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Solution

The fourth proportional to 254,906.19, 382,410.32 and 142,745.90 is: 214,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,906.19 : 382,410.32 = 142,745.90 : x
  2. Step 2: Convert to fraction form
    254,906.19/382,410.32 = 142,745.90/x
  3. Step 3: Cross multiply
    254,906.19x = 382,410.32 × 142,745.90
  4. Step 4: Simplify right side
    254,906.19x = 54,587,502,671.91
  5. Step 5: Solve for x
    x = 54,587,502,671.91/254,906.19
  6. Step 6: Final answer
    x = 214,147.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.