Home / 133,552.08-200,189.75-83,517.30

Finding the Fourth Proportional to 133,552.08, 200,189.75 and 83,517.30

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Solution

The fourth proportional to 133,552.08, 200,189.75 and 83,517.30 is: 125,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,552.08 : 200,189.75 = 83,517.30 : x
  2. Step 2: Convert to fraction form
    133,552.08/200,189.75 = 83,517.30/x
  3. Step 3: Cross multiply
    133,552.08x = 200,189.75 × 83,517.30
  4. Step 4: Simplify right side
    133,552.08x = 16,719,306,990.09
  5. Step 5: Solve for x
    x = 16,719,306,990.09/133,552.08
  6. Step 6: Final answer
    x = 125,189.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.