Home / 200,268.55-276,368.14-108,385.69

Finding the Fourth Proportional to 200,268.55, 276,368.14 and 108,385.69

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Solution

The fourth proportional to 200,268.55, 276,368.14 and 108,385.69 is: 149,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,268.55 : 276,368.14 = 108,385.69 : x
  2. Step 2: Convert to fraction form
    200,268.55/276,368.14 = 108,385.69/x
  3. Step 3: Cross multiply
    200,268.55x = 276,368.14 × 108,385.69
  4. Step 4: Simplify right side
    200,268.55x = 29,954,351,005.99
  5. Step 5: Solve for x
    x = 29,954,351,005.99/200,268.55
  6. Step 6: Final answer
    x = 149,570.92

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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.