Home / 161,361.36-222,675.51-89,739.85

Finding the Fourth Proportional to 161,361.36, 222,675.51 and 89,739.85

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Solution

The fourth proportional to 161,361.36, 222,675.51 and 89,739.85 is: 123,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,361.36 : 222,675.51 = 89,739.85 : x
  2. Step 2: Convert to fraction form
    161,361.36/222,675.51 = 89,739.85/x
  3. Step 3: Cross multiply
    161,361.36x = 222,675.51 × 89,739.85
  4. Step 4: Simplify right side
    161,361.36x = 19,982,866,866.07
  5. Step 5: Solve for x
    x = 19,982,866,866.07/161,361.36
  6. Step 6: Final answer
    x = 123,839.23

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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.