Home / 106,469.20-159,601.40-82,763.60

Finding the Fourth Proportional to 106,469.20, 159,601.40 and 82,763.60

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Solution

The fourth proportional to 106,469.20, 159,601.40 and 82,763.60 is: 124,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,469.20 : 159,601.40 = 82,763.60 : x
  2. Step 2: Convert to fraction form
    106,469.20/159,601.40 = 82,763.60/x
  3. Step 3: Cross multiply
    106,469.20x = 159,601.40 × 82,763.60
  4. Step 4: Simplify right side
    106,469.20x = 13,209,186,429.04
  5. Step 5: Solve for x
    x = 13,209,186,429.04/106,469.20
  6. Step 6: Final answer
    x = 124,065.80

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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.