Home / 200,310.04-276,417.66-109,649.44

Finding the Fourth Proportional to 200,310.04, 276,417.66 and 109,649.44

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Solution

The fourth proportional to 200,310.04, 276,417.66 and 109,649.44 is: 151,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,310.04 : 276,417.66 = 109,649.44 : x
  2. Step 2: Convert to fraction form
    200,310.04/276,417.66 = 109,649.44/x
  3. Step 3: Cross multiply
    200,310.04x = 276,417.66 × 109,649.44
  4. Step 4: Simplify right side
    200,310.04x = 30,309,041,625.11
  5. Step 5: Solve for x
    x = 30,309,041,625.11/200,310.04
  6. Step 6: Final answer
    x = 151,310.65

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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.