Home / 222,747.14-307,405.05-122,145.14

Finding the Fourth Proportional to 222,747.14, 307,405.05 and 122,145.14

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Solution

The fourth proportional to 222,747.14, 307,405.05 and 122,145.14 is: 168,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.14 : 307,405.05 = 122,145.14 : x
  2. Step 2: Convert to fraction form
    222,747.14/307,405.05 = 122,145.14/x
  3. Step 3: Cross multiply
    222,747.14x = 307,405.05 × 122,145.14
  4. Step 4: Simplify right side
    222,747.14x = 37,548,032,868.96
  5. Step 5: Solve for x
    x = 37,548,032,868.96/222,747.14
  6. Step 6: Final answer
    x = 168,567.97

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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.