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Finding the Fourth Proportional to 137,999.37, 206,999.05 and 44,505.12

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Solution

The fourth proportional to 137,999.37, 206,999.05 and 44,505.12 is: 66,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,999.37 : 206,999.05 = 44,505.12 : x
  2. Step 2: Convert to fraction form
    137,999.37/206,999.05 = 44,505.12/x
  3. Step 3: Cross multiply
    137,999.37x = 206,999.05 × 44,505.12
  4. Step 4: Simplify right side
    137,999.37x = 9,212,516,413.88
  5. Step 5: Solve for x
    x = 9,212,516,413.88/137,999.37
  6. Step 6: Final answer
    x = 66,757.67

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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.