Home / 117,268.40-161,822.40-74,822.24

Finding the Fourth Proportional to 117,268.40, 161,822.40 and 74,822.24

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Solution

The fourth proportional to 117,268.40, 161,822.40 and 74,822.24 is: 103,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,268.40 : 161,822.40 = 74,822.24 : x
  2. Step 2: Convert to fraction form
    117,268.40/161,822.40 = 74,822.24/x
  3. Step 3: Cross multiply
    117,268.40x = 161,822.40 × 74,822.24
  4. Step 4: Simplify right side
    117,268.40x = 12,107,914,450.18
  5. Step 5: Solve for x
    x = 12,107,914,450.18/117,268.40
  6. Step 6: Final answer
    x = 103,249.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.