Home / 200,143.47-276,200.03-109,497.45

Finding the Fourth Proportional to 200,143.47, 276,200.03 and 109,497.45

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Solution

The fourth proportional to 200,143.47, 276,200.03 and 109,497.45 is: 151,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,143.47 : 276,200.03 = 109,497.45 : x
  2. Step 2: Convert to fraction form
    200,143.47/276,200.03 = 109,497.45/x
  3. Step 3: Cross multiply
    200,143.47x = 276,200.03 × 109,497.45
  4. Step 4: Simplify right side
    200,143.47x = 30,243,198,974.92
  5. Step 5: Solve for x
    x = 30,243,198,974.92/200,143.47
  6. Step 6: Final answer
    x = 151,107.60

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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.