Home / 122,896.75-169,595.48-69,181.60

Finding the Fourth Proportional to 122,896.75, 169,595.48 and 69,181.60

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Solution

The fourth proportional to 122,896.75, 169,595.48 and 69,181.60 is: 95,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,896.75 : 169,595.48 = 69,181.60 : x
  2. Step 2: Convert to fraction form
    122,896.75/169,595.48 = 69,181.60/x
  3. Step 3: Cross multiply
    122,896.75x = 169,595.48 × 69,181.60
  4. Step 4: Simplify right side
    122,896.75x = 11,732,886,659.17
  5. Step 5: Solve for x
    x = 11,732,886,659.17/122,896.75
  6. Step 6: Final answer
    x = 95,469.46

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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.