Home / 258,571.14-356,830.89-142,286.15

Finding the Fourth Proportional to 258,571.14, 356,830.89 and 142,286.15

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Solution

The fourth proportional to 258,571.14, 356,830.89 and 142,286.15 is: 196,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,571.14 : 356,830.89 = 142,286.15 : x
  2. Step 2: Convert to fraction form
    258,571.14/356,830.89 = 142,286.15/x
  3. Step 3: Cross multiply
    258,571.14x = 356,830.89 × 142,286.15
  4. Step 4: Simplify right side
    258,571.14x = 50,772,093,897.68
  5. Step 5: Solve for x
    x = 50,772,093,897.68/258,571.14
  6. Step 6: Final answer
    x = 196,356.39

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1.5x scale

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.