Home / 161,367.30-222,689.74-89,747.36

Finding the Fourth Proportional to 161,367.30, 222,689.74 and 89,747.36

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Solution

The fourth proportional to 161,367.30, 222,689.74 and 89,747.36 is: 123,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.30 : 222,689.74 = 89,747.36 : x
  2. Step 2: Convert to fraction form
    161,367.30/222,689.74 = 89,747.36/x
  3. Step 3: Cross multiply
    161,367.30x = 222,689.74 × 89,747.36
  4. Step 4: Simplify right side
    161,367.30x = 19,985,816,264.09
  5. Step 5: Solve for x
    x = 19,985,816,264.09/161,367.30
  6. Step 6: Final answer
    x = 123,852.95

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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.