Home / 222,145.45-332,527.14-120,689.81

Finding the Fourth Proportional to 222,145.45, 332,527.14 and 120,689.81

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Solution

The fourth proportional to 222,145.45, 332,527.14 and 120,689.81 is: 180,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,145.45 : 332,527.14 = 120,689.81 : x
  2. Step 2: Convert to fraction form
    222,145.45/332,527.14 = 120,689.81/x
  3. Step 3: Cross multiply
    222,145.45x = 332,527.14 × 120,689.81
  4. Step 4: Simplify right side
    222,145.45x = 40,132,636,930.78
  5. Step 5: Solve for x
    x = 40,132,636,930.78/222,145.45
  6. Step 6: Final answer
    x = 180,659.28

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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.