Home / 139,245.22-208,901.85-44,475.42

Finding the Fourth Proportional to 139,245.22, 208,901.85 and 44,475.42

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Solution

The fourth proportional to 139,245.22, 208,901.85 and 44,475.42 is: 66,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,245.22 : 208,901.85 = 44,475.42 : x
  2. Step 2: Convert to fraction form
    139,245.22/208,901.85 = 44,475.42/x
  3. Step 3: Cross multiply
    139,245.22x = 208,901.85 × 44,475.42
  4. Step 4: Simplify right side
    139,245.22x = 9,290,997,517.53
  5. Step 5: Solve for x
    x = 9,290,997,517.53/139,245.22
  6. Step 6: Final answer
    x = 66,724.00

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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.