Home / 107,976.40-149,006.41-59,578.77

Finding the Fourth Proportional to 107,976.40, 149,006.41 and 59,578.77

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Solution

The fourth proportional to 107,976.40, 149,006.41 and 59,578.77 is: 82,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.40 : 149,006.41 = 59,578.77 : x
  2. Step 2: Convert to fraction form
    107,976.40/149,006.41 = 59,578.77/x
  3. Step 3: Cross multiply
    107,976.40x = 149,006.41 × 59,578.77
  4. Step 4: Simplify right side
    107,976.40x = 8,877,618,629.92
  5. Step 5: Solve for x
    x = 8,877,618,629.92/107,976.40
  6. Step 6: Final answer
    x = 82,218.14

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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.