Home / 122,905.10-169,625.20-69,200.58

Finding the Fourth Proportional to 122,905.10, 169,625.20 and 69,200.58

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Solution

The fourth proportional to 122,905.10, 169,625.20 and 69,200.58 is: 95,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,905.10 : 169,625.20 = 69,200.58 : x
  2. Step 2: Convert to fraction form
    122,905.10/169,625.20 = 69,200.58/x
  3. Step 3: Cross multiply
    122,905.10x = 169,625.20 × 69,200.58
  4. Step 4: Simplify right side
    122,905.10x = 11,738,162,222.62
  5. Step 5: Solve for x
    x = 11,738,162,222.62/122,905.10
  6. Step 6: Final answer
    x = 95,505.90

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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.