Home / 139,108.44-208,658.94-39,275.52

Finding the Fourth Proportional to 139,108.44, 208,658.94 and 39,275.52

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Solution

The fourth proportional to 139,108.44, 208,658.94 and 39,275.52 is: 58,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,108.44 : 208,658.94 = 39,275.52 : x
  2. Step 2: Convert to fraction form
    139,108.44/208,658.94 = 39,275.52/x
  3. Step 3: Cross multiply
    139,108.44x = 208,658.94 × 39,275.52
  4. Step 4: Simplify right side
    139,108.44x = 8,195,188,371.15
  5. Step 5: Solve for x
    x = 8,195,188,371.15/139,108.44
  6. Step 6: Final answer
    x = 58,912.23

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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.