Home / 222,386.45-306,893.48-120,412.04

Finding the Fourth Proportional to 222,386.45, 306,893.48 and 120,412.04

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Solution

The fourth proportional to 222,386.45, 306,893.48 and 120,412.04 is: 166,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,386.45 : 306,893.48 = 120,412.04 : x
  2. Step 2: Convert to fraction form
    222,386.45/306,893.48 = 120,412.04/x
  3. Step 3: Cross multiply
    222,386.45x = 306,893.48 × 120,412.04
  4. Step 4: Simplify right side
    222,386.45x = 36,953,667,852.97
  5. Step 5: Solve for x
    x = 36,953,667,852.97/222,386.45
  6. Step 6: Final answer
    x = 166,168.71

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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.