Home / 222,545.63-307,112.97-121,941.47

Finding the Fourth Proportional to 222,545.63, 307,112.97 and 121,941.47

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Solution

The fourth proportional to 222,545.63, 307,112.97 and 121,941.47 is: 168,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,545.63 : 307,112.97 = 121,941.47 : x
  2. Step 2: Convert to fraction form
    222,545.63/307,112.97 = 121,941.47/x
  3. Step 3: Cross multiply
    222,545.63x = 307,112.97 × 121,941.47
  4. Step 4: Simplify right side
    222,545.63x = 37,449,807,017.87
  5. Step 5: Solve for x
    x = 37,449,807,017.87/222,545.63
  6. Step 6: Final answer
    x = 168,279.23

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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.