Home / 79,071.20-118,606.92-19,906.88

Finding the Fourth Proportional to 79,071.20, 118,606.92 and 19,906.88

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Solution

The fourth proportional to 79,071.20, 118,606.92 and 19,906.88 is: 29,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.20 : 118,606.92 = 19,906.88 : x
  2. Step 2: Convert to fraction form
    79,071.20/118,606.92 = 19,906.88/x
  3. Step 3: Cross multiply
    79,071.20x = 118,606.92 × 19,906.88
  4. Step 4: Simplify right side
    79,071.20x = 2,361,093,723.61
  5. Step 5: Solve for x
    x = 2,361,093,723.61/79,071.20
  6. Step 6: Final answer
    x = 29,860.35

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1.5x scale

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.