Home / 199,749.30-275,652.21-109,105.24

Finding the Fourth Proportional to 199,749.30, 275,652.21 and 109,105.24

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Solution

The fourth proportional to 199,749.30, 275,652.21 and 109,105.24 is: 150,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,749.30 : 275,652.21 = 109,105.24 : x
  2. Step 2: Convert to fraction form
    199,749.30/275,652.21 = 109,105.24/x
  3. Step 3: Cross multiply
    199,749.30x = 275,652.21 × 109,105.24
  4. Step 4: Simplify right side
    199,749.30x = 30,075,099,839.45
  5. Step 5: Solve for x
    x = 30,075,099,839.45/199,749.30
  6. Step 6: Final answer
    x = 150,564.23

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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.