Home / 199,639.30-275,506.13-108,995.50

Finding the Fourth Proportional to 199,639.30, 275,506.13 and 108,995.50

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Solution

The fourth proportional to 199,639.30, 275,506.13 and 108,995.50 is: 150,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,639.30 : 275,506.13 = 108,995.50 : x
  2. Step 2: Convert to fraction form
    199,639.30/275,506.13 = 108,995.50/x
  3. Step 3: Cross multiply
    199,639.30x = 275,506.13 × 108,995.50
  4. Step 4: Simplify right side
    199,639.30x = 30,028,928,697.08
  5. Step 5: Solve for x
    x = 30,028,928,697.08/199,639.30
  6. Step 6: Final answer
    x = 150,415.92

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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.