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Finding the Fourth Proportional to 139,777.92, 209,635.92 and 44,982.72

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Solution

The fourth proportional to 139,777.92, 209,635.92 and 44,982.72 is: 67,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,777.92 : 209,635.92 = 44,982.72 : x
  2. Step 2: Convert to fraction form
    139,777.92/209,635.92 = 44,982.72/x
  3. Step 3: Cross multiply
    139,777.92x = 209,635.92 × 44,982.72
  4. Step 4: Simplify right side
    139,777.92x = 9,429,993,891.30
  5. Step 5: Solve for x
    x = 9,429,993,891.30/139,777.92
  6. Step 6: Final answer
    x = 67,464.12

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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.