Home / 200,172.49-276,226.47-109,530.22

Finding the Fourth Proportional to 200,172.49, 276,226.47 and 109,530.22

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Solution

The fourth proportional to 200,172.49, 276,226.47 and 109,530.22 is: 151,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,172.49 : 276,226.47 = 109,530.22 : x
  2. Step 2: Convert to fraction form
    200,172.49/276,226.47 = 109,530.22/x
  3. Step 3: Cross multiply
    200,172.49x = 276,226.47 × 109,530.22
  4. Step 4: Simplify right side
    200,172.49x = 30,255,146,028.92
  5. Step 5: Solve for x
    x = 30,255,146,028.92/200,172.49
  6. Step 6: Final answer
    x = 151,145.37

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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.