Home / 107,976.15-149,006.07-59,578.52

Finding the Fourth Proportional to 107,976.15, 149,006.07 and 59,578.52

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Solution

The fourth proportional to 107,976.15, 149,006.07 and 59,578.52 is: 82,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.15 : 149,006.07 = 59,578.52 : x
  2. Step 2: Convert to fraction form
    107,976.15/149,006.07 = 59,578.52/x
  3. Step 3: Cross multiply
    107,976.15x = 149,006.07 × 59,578.52
  4. Step 4: Simplify right side
    107,976.15x = 8,877,560,376.59
  5. Step 5: Solve for x
    x = 8,877,560,376.59/107,976.15
  6. Step 6: Final answer
    x = 82,217.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.