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Finding the Fourth Proportional to 121,257.57, 167,313.27 and 67,541.22

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Solution

The fourth proportional to 121,257.57, 167,313.27 and 67,541.22 is: 93,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257.57 : 167,313.27 = 67,541.22 : x
  2. Step 2: Convert to fraction form
    121,257.57/167,313.27 = 67,541.22/x
  3. Step 3: Cross multiply
    121,257.57x = 167,313.27 × 67,541.22
  4. Step 4: Simplify right side
    121,257.57x = 11,300,542,377.99
  5. Step 5: Solve for x
    x = 11,300,542,377.99/121,257.57
  6. Step 6: Final answer
    x = 93,194.53

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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.