Home / 106,220.03-159,308.88-68,156.71

Finding the Fourth Proportional to 106,220.03, 159,308.88 and 68,156.71

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Solution

The fourth proportional to 106,220.03, 159,308.88 and 68,156.71 is: 102,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220.03 : 159,308.88 = 68,156.71 : x
  2. Step 2: Convert to fraction form
    106,220.03/159,308.88 = 68,156.71/x
  3. Step 3: Cross multiply
    106,220.03x = 159,308.88 × 68,156.71
  4. Step 4: Simplify right side
    106,220.03x = 10,857,969,134.58
  5. Step 5: Solve for x
    x = 10,857,969,134.58/106,220.03
  6. Step 6: Final answer
    x = 102,221.49

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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.