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Finding the Fourth Proportional to 121,222.51, 167,286.13 and 70,234.13

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Solution

The fourth proportional to 121,222.51, 167,286.13 and 70,234.13 is: 96,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,222.51 : 167,286.13 = 70,234.13 : x
  2. Step 2: Convert to fraction form
    121,222.51/167,286.13 = 70,234.13/x
  3. Step 3: Cross multiply
    121,222.51x = 167,286.13 × 70,234.13
  4. Step 4: Simplify right side
    121,222.51x = 11,749,196,044.25
  5. Step 5: Solve for x
    x = 11,749,196,044.25/121,222.51
  6. Step 6: Final answer
    x = 96,922.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.