Home / 200,145.48-276,202.80-109,499.46

Finding the Fourth Proportional to 200,145.48, 276,202.80 and 109,499.46

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Solution

The fourth proportional to 200,145.48, 276,202.80 and 109,499.46 is: 151,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,145.48 : 276,202.80 = 109,499.46 : x
  2. Step 2: Convert to fraction form
    200,145.48/276,202.80 = 109,499.46/x
  3. Step 3: Cross multiply
    200,145.48x = 276,202.80 × 109,499.46
  4. Step 4: Simplify right side
    200,145.48x = 30,244,057,450.49
  5. Step 5: Solve for x
    x = 30,244,057,450.49/200,145.48
  6. Step 6: Final answer
    x = 151,110.37

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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.