Home / 200,356.47-276,492.38-108,476.73

Finding the Fourth Proportional to 200,356.47, 276,492.38 and 108,476.73

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Solution

The fourth proportional to 200,356.47, 276,492.38 and 108,476.73 is: 149,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356.47 : 276,492.38 = 108,476.73 : x
  2. Step 2: Convert to fraction form
    200,356.47/276,492.38 = 108,476.73/x
  3. Step 3: Cross multiply
    200,356.47x = 276,492.38 × 108,476.73
  4. Step 4: Simplify right side
    200,356.47x = 29,992,988,709.93
  5. Step 5: Solve for x
    x = 29,992,988,709.93/200,356.47
  6. Step 6: Final answer
    x = 149,698.13

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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.