Home / 200,621.40-300,933.72-163,137.84

Finding the Fourth Proportional to 200,621.40, 300,933.72 and 163,137.84

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Solution

The fourth proportional to 200,621.40, 300,933.72 and 163,137.84 is: 244,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,621.40 : 300,933.72 = 163,137.84 : x
  2. Step 2: Convert to fraction form
    200,621.40/300,933.72 = 163,137.84/x
  3. Step 3: Cross multiply
    200,621.40x = 300,933.72 × 163,137.84
  4. Step 4: Simplify right side
    200,621.40x = 49,093,677,063.96
  5. Step 5: Solve for x
    x = 49,093,677,063.96/200,621.40
  6. Step 6: Final answer
    x = 244,708.08

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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.