Home / 200,451.27-276,557.67-136,678.35

Finding the Fourth Proportional to 200,451.27, 276,557.67 and 136,678.35

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Solution

The fourth proportional to 200,451.27, 276,557.67 and 136,678.35 is: 188,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,451.27 : 276,557.67 = 136,678.35 : x
  2. Step 2: Convert to fraction form
    200,451.27/276,557.67 = 136,678.35/x
  3. Step 3: Cross multiply
    200,451.27x = 276,557.67 × 136,678.35
  4. Step 4: Simplify right side
    200,451.27x = 37,799,446,015.44
  5. Step 5: Solve for x
    x = 37,799,446,015.44/200,451.27
  6. Step 6: Final answer
    x = 188,571.75

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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.