Home / 106,262.16-159,185.88-82,778.64

Finding the Fourth Proportional to 106,262.16, 159,185.88 and 82,778.64

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Solution

The fourth proportional to 106,262.16, 159,185.88 and 82,778.64 is: 124,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,262.16 : 159,185.88 = 82,778.64 : x
  2. Step 2: Convert to fraction form
    106,262.16/159,185.88 = 82,778.64/x
  3. Step 3: Cross multiply
    106,262.16x = 159,185.88 × 82,778.64
  4. Step 4: Simplify right side
    106,262.16x = 13,177,190,653.60
  5. Step 5: Solve for x
    x = 13,177,190,653.60/106,262.16
  6. Step 6: Final answer
    x = 124,006.43

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1.5x scale

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.