Home / 87,166.01-120,290.38-84,148.97

Finding the Fourth Proportional to 87,166.01, 120,290.38 and 84,148.97

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Solution

The fourth proportional to 87,166.01, 120,290.38 and 84,148.97 is: 116,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,166.01 : 120,290.38 = 84,148.97 : x
  2. Step 2: Convert to fraction form
    87,166.01/120,290.38 = 84,148.97/x
  3. Step 3: Cross multiply
    87,166.01x = 120,290.38 × 84,148.97
  4. Step 4: Simplify right side
    87,166.01x = 10,122,310,766.08
  5. Step 5: Solve for x
    x = 10,122,310,766.08/87,166.01
  6. Step 6: Final answer
    x = 116,126.81

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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.