Home / 79,219.72-118,833.36-20,055.88

Finding the Fourth Proportional to 79,219.72, 118,833.36 and 20,055.88

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Solution

The fourth proportional to 79,219.72, 118,833.36 and 20,055.88 is: 30,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219.72 : 118,833.36 = 20,055.88 : x
  2. Step 2: Convert to fraction form
    79,219.72/118,833.36 = 20,055.88/x
  3. Step 3: Cross multiply
    79,219.72x = 118,833.36 × 20,055.88
  4. Step 4: Simplify right side
    79,219.72x = 2,383,307,608.16
  5. Step 5: Solve for x
    x = 2,383,307,608.16/79,219.72
  6. Step 6: Final answer
    x = 30,084.78

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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.