Home / 257,962.21-387,092.76-108,189.16

Finding the Fourth Proportional to 257,962.21, 387,092.76 and 108,189.16

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Solution

The fourth proportional to 257,962.21, 387,092.76 and 108,189.16 is: 162,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,962.21 : 387,092.76 = 108,189.16 : x
  2. Step 2: Convert to fraction form
    257,962.21/387,092.76 = 108,189.16/x
  3. Step 3: Cross multiply
    257,962.21x = 387,092.76 × 108,189.16
  4. Step 4: Simplify right side
    257,962.21x = 41,879,240,546.48
  5. Step 5: Solve for x
    x = 41,879,240,546.48/257,962.21
  6. Step 6: Final answer
    x = 162,346.42

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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.