Home / 122,474.34-169,001.55-68,765.22

Finding the Fourth Proportional to 122,474.34, 169,001.55 and 68,765.22

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Solution

The fourth proportional to 122,474.34, 169,001.55 and 68,765.22 is: 94,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,474.34 : 169,001.55 = 68,765.22 : x
  2. Step 2: Convert to fraction form
    122,474.34/169,001.55 = 68,765.22/x
  3. Step 3: Cross multiply
    122,474.34x = 169,001.55 × 68,765.22
  4. Step 4: Simplify right side
    122,474.34x = 11,621,428,766.09
  5. Step 5: Solve for x
    x = 11,621,428,766.09/122,474.34
  6. Step 6: Final answer
    x = 94,888.68

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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.