Home / 161,375.95-222,545.94-103,251.06

Finding the Fourth Proportional to 161,375.95, 222,545.94 and 103,251.06

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Solution

The fourth proportional to 161,375.95, 222,545.94 and 103,251.06 is: 142,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,375.95 : 222,545.94 = 103,251.06 : x
  2. Step 2: Convert to fraction form
    161,375.95/222,545.94 = 103,251.06/x
  3. Step 3: Cross multiply
    161,375.95x = 222,545.94 × 103,251.06
  4. Step 4: Simplify right side
    161,375.95x = 22,978,104,203.70
  5. Step 5: Solve for x
    x = 22,978,104,203.70/161,375.95
  6. Step 6: Final answer
    x = 142,388.65

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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.