Home / 200,140.20-300,184.38-75,465

Finding the Fourth Proportional to 200,140.20, 300,184.38 and 75,465

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Solution

The fourth proportional to 200,140.20, 300,184.38 and 75,465 is: 113,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,140.20 : 300,184.38 = 75,465 : x
  2. Step 2: Convert to fraction form
    200,140.20/300,184.38 = 75,465/x
  3. Step 3: Cross multiply
    200,140.20x = 300,184.38 × 75,465
  4. Step 4: Simplify right side
    200,140.20x = 22,653,414,236.70
  5. Step 5: Solve for x
    x = 22,653,414,236.70/200,140.20
  6. Step 6: Final answer
    x = 113,187.73

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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.