Home / 199,665.64-275,539.18-109,022.40

Finding the Fourth Proportional to 199,665.64, 275,539.18 and 109,022.40

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Solution

The fourth proportional to 199,665.64, 275,539.18 and 109,022.40 is: 150,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,665.64 : 275,539.18 = 109,022.40 : x
  2. Step 2: Convert to fraction form
    199,665.64/275,539.18 = 109,022.40/x
  3. Step 3: Cross multiply
    199,665.64x = 275,539.18 × 109,022.40
  4. Step 4: Simplify right side
    199,665.64x = 30,039,942,697.63
  5. Step 5: Solve for x
    x = 30,039,942,697.63/199,665.64
  6. Step 6: Final answer
    x = 150,451.24

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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.