Home / 186,129.20-278,839.82-106,222.70

Finding the Fourth Proportional to 186,129.20, 278,839.82 and 106,222.70

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Solution

The fourth proportional to 186,129.20, 278,839.82 and 106,222.70 is: 159,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,129.20 : 278,839.82 = 106,222.70 : x
  2. Step 2: Convert to fraction form
    186,129.20/278,839.82 = 106,222.70/x
  3. Step 3: Cross multiply
    186,129.20x = 278,839.82 × 106,222.70
  4. Step 4: Simplify right side
    186,129.20x = 29,619,116,622.60
  5. Step 5: Solve for x
    x = 29,619,116,622.60/186,129.20
  6. Step 6: Final answer
    x = 159,132.03

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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.