Home / 199,640.30-275,507.51-108,996.50

Finding the Fourth Proportional to 199,640.30, 275,507.51 and 108,996.50

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Solution

The fourth proportional to 199,640.30, 275,507.51 and 108,996.50 is: 150,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640.30 : 275,507.51 = 108,996.50 : x
  2. Step 2: Convert to fraction form
    199,640.30/275,507.51 = 108,996.50/x
  3. Step 3: Cross multiply
    199,640.30x = 275,507.51 × 108,996.50
  4. Step 4: Simplify right side
    199,640.30x = 30,029,354,313.72
  5. Step 5: Solve for x
    x = 30,029,354,313.72/199,640.30
  6. Step 6: Final answer
    x = 150,417.30

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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.