Home / 199,539.70-275,370.62-108,901.49

Finding the Fourth Proportional to 199,539.70, 275,370.62 and 108,901.49

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Solution

The fourth proportional to 199,539.70, 275,370.62 and 108,901.49 is: 150,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,539.70 : 275,370.62 = 108,901.49 : x
  2. Step 2: Convert to fraction form
    199,539.70/275,370.62 = 108,901.49/x
  3. Step 3: Cross multiply
    199,539.70x = 275,370.62 × 108,901.49
  4. Step 4: Simplify right side
    199,539.70x = 29,988,268,898.86
  5. Step 5: Solve for x
    x = 29,988,268,898.86/199,539.70
  6. Step 6: Final answer
    x = 150,287.23

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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.