Home / 258,542.24-387,810.48-100,881.44

Finding the Fourth Proportional to 258,542.24, 387,810.48 and 100,881.44

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Solution

The fourth proportional to 258,542.24, 387,810.48 and 100,881.44 is: 151,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,542.24 : 387,810.48 = 100,881.44 : x
  2. Step 2: Convert to fraction form
    258,542.24/387,810.48 = 100,881.44/x
  3. Step 3: Cross multiply
    258,542.24x = 387,810.48 × 100,881.44
  4. Step 4: Simplify right side
    258,542.24x = 39,122,879,669.49
  5. Step 5: Solve for x
    x = 39,122,879,669.49/258,542.24
  6. Step 6: Final answer
    x = 151,321.04

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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.