Home / 200,090.23-276,114.21-109,428.55

Finding the Fourth Proportional to 200,090.23, 276,114.21 and 109,428.55

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Solution

The fourth proportional to 200,090.23, 276,114.21 and 109,428.55 is: 151,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,090.23 : 276,114.21 = 109,428.55 : x
  2. Step 2: Convert to fraction form
    200,090.23/276,114.21 = 109,428.55/x
  3. Step 3: Cross multiply
    200,090.23x = 276,114.21 × 109,428.55
  4. Step 4: Simplify right side
    200,090.23x = 30,214,777,634.70
  5. Step 5: Solve for x
    x = 30,214,777,634.70/200,090.23
  6. Step 6: Final answer
    x = 151,005.76

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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.