Home / 200,118.87-300,156.12-50,359.20

Finding the Fourth Proportional to 200,118.87, 300,156.12 and 50,359.20

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Solution

The fourth proportional to 200,118.87, 300,156.12 and 50,359.20 is: 75,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,118.87 : 300,156.12 = 50,359.20 : x
  2. Step 2: Convert to fraction form
    200,118.87/300,156.12 = 50,359.20/x
  3. Step 3: Cross multiply
    200,118.87x = 300,156.12 × 50,359.20
  4. Step 4: Simplify right side
    200,118.87x = 15,115,622,078.30
  5. Step 5: Solve for x
    x = 15,115,622,078.30/200,118.87
  6. Step 6: Final answer
    x = 75,533.22

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1.5x scale

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.