Home / 200,439.82-276,630.24-115,559.92

Finding the Fourth Proportional to 200,439.82, 276,630.24 and 115,559.92

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Solution

The fourth proportional to 200,439.82, 276,630.24 and 115,559.92 is: 159,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,439.82 : 276,630.24 = 115,559.92 : x
  2. Step 2: Convert to fraction form
    200,439.82/276,630.24 = 115,559.92/x
  3. Step 3: Cross multiply
    200,439.82x = 276,630.24 × 115,559.92
  4. Step 4: Simplify right side
    200,439.82x = 31,967,368,403.98
  5. Step 5: Solve for x
    x = 31,967,368,403.98/200,439.82
  6. Step 6: Final answer
    x = 159,486.12

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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.