Home / 161,371.08-222,700.32-89,752.50

Finding the Fourth Proportional to 161,371.08, 222,700.32 and 89,752.50

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Solution

The fourth proportional to 161,371.08, 222,700.32 and 89,752.50 is: 123,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,371.08 : 222,700.32 = 89,752.50 : x
  2. Step 2: Convert to fraction form
    161,371.08/222,700.32 = 89,752.50/x
  3. Step 3: Cross multiply
    161,371.08x = 222,700.32 × 89,752.50
  4. Step 4: Simplify right side
    161,371.08x = 19,987,910,470.80
  5. Step 5: Solve for x
    x = 19,987,910,470.80/161,371.08
  6. Step 6: Final answer
    x = 123,863.03

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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.