Home / 106,137.15-159,180.89-39,578.91

Finding the Fourth Proportional to 106,137.15, 159,180.89 and 39,578.91

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Solution

The fourth proportional to 106,137.15, 159,180.89 and 39,578.91 is: 59,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,137.15 : 159,180.89 = 39,578.91 : x
  2. Step 2: Convert to fraction form
    106,137.15/159,180.89 = 39,578.91/x
  3. Step 3: Cross multiply
    106,137.15x = 159,180.89 × 39,578.91
  4. Step 4: Simplify right side
    106,137.15x = 6,300,205,921.14
  5. Step 5: Solve for x
    x = 6,300,205,921.14/106,137.15
  6. Step 6: Final answer
    x = 59,359.10

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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.