Home / 96,821.15-133,559.24-89,971.09

Finding the Fourth Proportional to 96,821.15, 133,559.24 and 89,971.09

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Solution

The fourth proportional to 96,821.15, 133,559.24 and 89,971.09 is: 124,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.15 : 133,559.24 = 89,971.09 : x
  2. Step 2: Convert to fraction form
    96,821.15/133,559.24 = 89,971.09/x
  3. Step 3: Cross multiply
    96,821.15x = 133,559.24 × 89,971.09
  4. Step 4: Simplify right side
    96,821.15x = 12,016,469,618.62
  5. Step 5: Solve for x
    x = 12,016,469,618.62/96,821.15
  6. Step 6: Final answer
    x = 124,109.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.