Home / 255,140.08-382,796.62-112,965.78

Finding the Fourth Proportional to 255,140.08, 382,796.62 and 112,965.78

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Solution

The fourth proportional to 255,140.08, 382,796.62 and 112,965.78 is: 169,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,140.08 : 382,796.62 = 112,965.78 : x
  2. Step 2: Convert to fraction form
    255,140.08/382,796.62 = 112,965.78/x
  3. Step 3: Cross multiply
    255,140.08x = 382,796.62 × 112,965.78
  4. Step 4: Simplify right side
    255,140.08x = 43,242,918,759.66
  5. Step 5: Solve for x
    x = 43,242,918,759.66/255,140.08
  6. Step 6: Final answer
    x = 169,486.97

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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.