Home / 222,278.37-333,431.89-78,166.52

Finding the Fourth Proportional to 222,278.37, 333,431.89 and 78,166.52

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Solution

The fourth proportional to 222,278.37, 333,431.89 and 78,166.52 is: 117,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,278.37 : 333,431.89 = 78,166.52 : x
  2. Step 2: Convert to fraction form
    222,278.37/333,431.89 = 78,166.52/x
  3. Step 3: Cross multiply
    222,278.37x = 333,431.89 × 78,166.52
  4. Step 4: Simplify right side
    222,278.37x = 26,063,208,865.32
  5. Step 5: Solve for x
    x = 26,063,208,865.32/222,278.37
  6. Step 6: Final answer
    x = 117,254.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.