Home / 122,918.54-169,630.79-69,205.52

Finding the Fourth Proportional to 122,918.54, 169,630.79 and 69,205.52

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Solution

The fourth proportional to 122,918.54, 169,630.79 and 69,205.52 is: 95,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,918.54 : 169,630.79 = 69,205.52 : x
  2. Step 2: Convert to fraction form
    122,918.54/169,630.79 = 69,205.52/x
  3. Step 3: Cross multiply
    122,918.54x = 169,630.79 × 69,205.52
  4. Step 4: Simplify right side
    122,918.54x = 11,739,387,108.01
  5. Step 5: Solve for x
    x = 11,739,387,108.01/122,918.54
  6. Step 6: Final answer
    x = 95,505.43

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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.