Home / 106,519.82-159,658.32-66,557.25

Finding the Fourth Proportional to 106,519.82, 159,658.32 and 66,557.25

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Solution

The fourth proportional to 106,519.82, 159,658.32 and 66,557.25 is: 99,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,519.82 : 159,658.32 = 66,557.25 : x
  2. Step 2: Convert to fraction form
    106,519.82/159,658.32 = 66,557.25/x
  3. Step 3: Cross multiply
    106,519.82x = 159,658.32 × 66,557.25
  4. Step 4: Simplify right side
    106,519.82x = 10,626,418,718.82
  5. Step 5: Solve for x
    x = 10,626,418,718.82/106,519.82
  6. Step 6: Final answer
    x = 99,760.02

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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.