Home / 113,435.55-168,989.24-108,317.97

Finding the Fourth Proportional to 113,435.55, 168,989.24 and 108,317.97

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Solution

The fourth proportional to 113,435.55, 168,989.24 and 108,317.97 is: 161,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,435.55 : 168,989.24 = 108,317.97 : x
  2. Step 2: Convert to fraction form
    113,435.55/168,989.24 = 108,317.97/x
  3. Step 3: Cross multiply
    113,435.55x = 168,989.24 × 108,317.97
  4. Step 4: Simplify right side
    113,435.55x = 18,304,571,699.44
  5. Step 5: Solve for x
    x = 18,304,571,699.44/113,435.55
  6. Step 6: Final answer
    x = 161,365.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.