Home / 188,277.12-259,824.26-103,396

Finding the Fourth Proportional to 188,277.12, 259,824.26 and 103,396

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Solution

The fourth proportional to 188,277.12, 259,824.26 and 103,396 is: 142,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,277.12 : 259,824.26 = 103,396 : x
  2. Step 2: Convert to fraction form
    188,277.12/259,824.26 = 103,396/x
  3. Step 3: Cross multiply
    188,277.12x = 259,824.26 × 103,396
  4. Step 4: Simplify right side
    188,277.12x = 26,864,789,186.96
  5. Step 5: Solve for x
    x = 26,864,789,186.96/188,277.12
  6. Step 6: Final answer
    x = 142,687.49

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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.