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Finding the Fourth Proportional to 121,257.54, 167,331.02 and 67,541.45

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Solution

The fourth proportional to 121,257.54, 167,331.02 and 67,541.45 is: 93,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257.54 : 167,331.02 = 67,541.45 : x
  2. Step 2: Convert to fraction form
    121,257.54/167,331.02 = 67,541.45/x
  3. Step 3: Cross multiply
    121,257.54x = 167,331.02 × 67,541.45
  4. Step 4: Simplify right side
    121,257.54x = 11,301,778,546.42
  5. Step 5: Solve for x
    x = 11,301,778,546.42/121,257.54
  6. Step 6: Final answer
    x = 93,204.75

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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.