Home / 122,697.35-169,319.89-68,248.34

Finding the Fourth Proportional to 122,697.35, 169,319.89 and 68,248.34

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Solution

The fourth proportional to 122,697.35, 169,319.89 and 68,248.34 is: 94,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,697.35 : 169,319.89 = 68,248.34 : x
  2. Step 2: Convert to fraction form
    122,697.35/169,319.89 = 68,248.34/x
  3. Step 3: Cross multiply
    122,697.35x = 169,319.89 × 68,248.34
  4. Step 4: Simplify right side
    122,697.35x = 11,555,800,911.25
  5. Step 5: Solve for x
    x = 11,555,800,911.25/122,697.35
  6. Step 6: Final answer
    x = 94,181.34

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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.