Home / 250,286.82-345,420.59-142,873.01

Finding the Fourth Proportional to 250,286.82, 345,420.59 and 142,873.01

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Solution

The fourth proportional to 250,286.82, 345,420.59 and 142,873.01 is: 197,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.82 : 345,420.59 = 142,873.01 : x
  2. Step 2: Convert to fraction form
    250,286.82/345,420.59 = 142,873.01/x
  3. Step 3: Cross multiply
    250,286.82x = 345,420.59 × 142,873.01
  4. Step 4: Simplify right side
    250,286.82x = 49,351,279,409.28
  5. Step 5: Solve for x
    x = 49,351,279,409.28/250,286.82
  6. Step 6: Final answer
    x = 197,178.90

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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.