Home / 122,830.58-169,504.22-69,115.56

Finding the Fourth Proportional to 122,830.58, 169,504.22 and 69,115.56

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Solution

The fourth proportional to 122,830.58, 169,504.22 and 69,115.56 is: 95,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,830.58 : 169,504.22 = 69,115.56 : x
  2. Step 2: Convert to fraction form
    122,830.58/169,504.22 = 69,115.56/x
  3. Step 3: Cross multiply
    122,830.58x = 169,504.22 × 69,115.56
  4. Step 4: Simplify right side
    122,830.58x = 11,715,379,087.66
  5. Step 5: Solve for x
    x = 11,715,379,087.66/122,830.58
  6. Step 6: Final answer
    x = 95,378.36

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1.5x scale

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.