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Finding the Fourth Proportional to 143,013.56, 197,451.14 and 88,623.44

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Solution

The fourth proportional to 143,013.56, 197,451.14 and 88,623.44 is: 122,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,013.56 : 197,451.14 = 88,623.44 : x
  2. Step 2: Convert to fraction form
    143,013.56/197,451.14 = 88,623.44/x
  3. Step 3: Cross multiply
    143,013.56x = 197,451.14 × 88,623.44
  4. Step 4: Simplify right side
    143,013.56x = 17,498,799,258.72
  5. Step 5: Solve for x
    x = 17,498,799,258.72/143,013.56
  6. Step 6: Final answer
    x = 122,357.62

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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.