Home / 259,054.47-388,747.08-125,862.12

Finding the Fourth Proportional to 259,054.47, 388,747.08 and 125,862.12

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Solution

The fourth proportional to 259,054.47, 388,747.08 and 125,862.12 is: 188,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,054.47 : 388,747.08 = 125,862.12 : x
  2. Step 2: Convert to fraction form
    259,054.47/388,747.08 = 125,862.12/x
  3. Step 3: Cross multiply
    259,054.47x = 388,747.08 × 125,862.12
  4. Step 4: Simplify right side
    259,054.47x = 48,928,531,632.61
  5. Step 5: Solve for x
    x = 48,928,531,632.61/259,054.47
  6. Step 6: Final answer
    x = 188,873.53

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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.