Home / 239,620.40-359,369.07-71,100.86

Finding the Fourth Proportional to 239,620.40, 359,369.07 and 71,100.86

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Solution

The fourth proportional to 239,620.40, 359,369.07 and 71,100.86 is: 106,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,620.40 : 359,369.07 = 71,100.86 : x
  2. Step 2: Convert to fraction form
    239,620.40/359,369.07 = 71,100.86/x
  3. Step 3: Cross multiply
    239,620.40x = 359,369.07 × 71,100.86
  4. Step 4: Simplify right side
    239,620.40x = 25,551,449,934.40
  5. Step 5: Solve for x
    x = 25,551,449,934.40/239,620.40
  6. Step 6: Final answer
    x = 106,633.03

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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.