Home / 89,109.18-122,965.97-50,867.21

Finding the Fourth Proportional to 89,109.18, 122,965.97 and 50,867.21

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Solution

The fourth proportional to 89,109.18, 122,965.97 and 50,867.21 is: 70,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109.18 : 122,965.97 = 50,867.21 : x
  2. Step 2: Convert to fraction form
    89,109.18/122,965.97 = 50,867.21/x
  3. Step 3: Cross multiply
    89,109.18x = 122,965.97 × 50,867.21
  4. Step 4: Simplify right side
    89,109.18x = 6,254,934,949.68
  5. Step 5: Solve for x
    x = 6,254,934,949.68/89,109.18
  6. Step 6: Final answer
    x = 70,194.06

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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.