Home / 122,344.05-168,823.44-68,618.64

Finding the Fourth Proportional to 122,344.05, 168,823.44 and 68,618.64

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Solution

The fourth proportional to 122,344.05, 168,823.44 and 68,618.64 is: 94,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,344.05 : 168,823.44 = 68,618.64 : x
  2. Step 2: Convert to fraction form
    122,344.05/168,823.44 = 68,618.64/x
  3. Step 3: Cross multiply
    122,344.05x = 168,823.44 × 68,618.64
  4. Step 4: Simplify right side
    122,344.05x = 11,584,434,852.92
  5. Step 5: Solve for x
    x = 11,584,434,852.92/122,344.05
  6. Step 6: Final answer
    x = 94,687.36

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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.