Home / 138,923.88-208,361.66-39,060.37

Finding the Fourth Proportional to 138,923.88, 208,361.66 and 39,060.37

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Solution

The fourth proportional to 138,923.88, 208,361.66 and 39,060.37 is: 58,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,923.88 : 208,361.66 = 39,060.37 : x
  2. Step 2: Convert to fraction form
    138,923.88/208,361.66 = 39,060.37/x
  3. Step 3: Cross multiply
    138,923.88x = 208,361.66 × 39,060.37
  4. Step 4: Simplify right side
    138,923.88x = 8,138,682,491.61
  5. Step 5: Solve for x
    x = 8,138,682,491.61/138,923.88
  6. Step 6: Final answer
    x = 58,583.76

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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.