Home / 161,315.85-222,603.48-89,684.31

Finding the Fourth Proportional to 161,315.85, 222,603.48 and 89,684.31

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Solution

The fourth proportional to 161,315.85, 222,603.48 and 89,684.31 is: 123,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,315.85 : 222,603.48 = 89,684.31 : x
  2. Step 2: Convert to fraction form
    161,315.85/222,603.48 = 89,684.31/x
  3. Step 3: Cross multiply
    161,315.85x = 222,603.48 × 89,684.31
  4. Step 4: Simplify right side
    161,315.85x = 19,964,039,507.40
  5. Step 5: Solve for x
    x = 19,964,039,507.40/161,315.85
  6. Step 6: Final answer
    x = 123,757.46

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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.