Home / 200,311.90-276,433.70-109,666.36

Finding the Fourth Proportional to 200,311.90, 276,433.70 and 109,666.36

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Solution

The fourth proportional to 200,311.90, 276,433.70 and 109,666.36 is: 151,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,311.90 : 276,433.70 = 109,666.36 : x
  2. Step 2: Convert to fraction form
    200,311.90/276,433.70 = 109,666.36/x
  3. Step 3: Cross multiply
    200,311.90x = 276,433.70 × 109,666.36
  4. Step 4: Simplify right side
    200,311.90x = 30,315,477,660.33
  5. Step 5: Solve for x
    x = 30,315,477,660.33/200,311.90
  6. Step 6: Final answer
    x = 151,341.37

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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.