Home / 160,563.06-221,375.70-103,100.85

Finding the Fourth Proportional to 160,563.06, 221,375.70 and 103,100.85

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Solution

The fourth proportional to 160,563.06, 221,375.70 and 103,100.85 is: 142,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563.06 : 221,375.70 = 103,100.85 : x
  2. Step 2: Convert to fraction form
    160,563.06/221,375.70 = 103,100.85/x
  3. Step 3: Cross multiply
    160,563.06x = 221,375.70 × 103,100.85
  4. Step 4: Simplify right side
    160,563.06x = 22,824,022,839.35
  5. Step 5: Solve for x
    x = 22,824,022,839.35/160,563.06
  6. Step 6: Final answer
    x = 142,149.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.