Home / 79,210.82-118,816.23-26,620.46

Finding the Fourth Proportional to 79,210.82, 118,816.23 and 26,620.46

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Solution

The fourth proportional to 79,210.82, 118,816.23 and 26,620.46 is: 39,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.82 : 118,816.23 = 26,620.46 : x
  2. Step 2: Convert to fraction form
    79,210.82/118,816.23 = 26,620.46/x
  3. Step 3: Cross multiply
    79,210.82x = 118,816.23 × 26,620.46
  4. Step 4: Simplify right side
    79,210.82x = 3,162,942,698.07
  5. Step 5: Solve for x
    x = 3,162,942,698.07/79,210.82
  6. Step 6: Final answer
    x = 39,930.69

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Similar ratio
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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.