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Finding the Fourth Proportional to 139,064.37, 208,604.85 and 39,233.08

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Solution

The fourth proportional to 139,064.37, 208,604.85 and 39,233.08 is: 58,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,064.37 : 208,604.85 = 39,233.08 : x
  2. Step 2: Convert to fraction form
    139,064.37/208,604.85 = 39,233.08/x
  3. Step 3: Cross multiply
    139,064.37x = 208,604.85 × 39,233.08
  4. Step 4: Simplify right side
    139,064.37x = 8,184,210,768.44
  5. Step 5: Solve for x
    x = 8,184,210,768.44/139,064.37
  6. Step 6: Final answer
    x = 58,851.96

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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.