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Finding the Fourth Proportional to 113,201.10, 169,801.65 and 54,152.10

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Solution

The fourth proportional to 113,201.10, 169,801.65 and 54,152.10 is: 81,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.10 : 169,801.65 = 54,152.10 : x
  2. Step 2: Convert to fraction form
    113,201.10/169,801.65 = 54,152.10/x
  3. Step 3: Cross multiply
    113,201.10x = 169,801.65 × 54,152.10
  4. Step 4: Simplify right side
    113,201.10x = 9,195,115,930.97
  5. Step 5: Solve for x
    x = 9,195,115,930.97/113,201.10
  6. Step 6: Final answer
    x = 81,228.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.