Home / 122,902.85-169,622.09-69,198.33

Finding the Fourth Proportional to 122,902.85, 169,622.09 and 69,198.33

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Solution

The fourth proportional to 122,902.85, 169,622.09 and 69,198.33 is: 95,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,902.85 : 169,622.09 = 69,198.33 : x
  2. Step 2: Convert to fraction form
    122,902.85/169,622.09 = 69,198.33/x
  3. Step 3: Cross multiply
    122,902.85x = 169,622.09 × 69,198.33
  4. Step 4: Simplify right side
    122,902.85x = 11,737,565,108.05
  5. Step 5: Solve for x
    x = 11,737,565,108.05/122,902.85
  6. Step 6: Final answer
    x = 95,502.79

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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.