Home / 121,542.32-167,736.83-67,837.80

Finding the Fourth Proportional to 121,542.32, 167,736.83 and 67,837.80

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Solution

The fourth proportional to 121,542.32, 167,736.83 and 67,837.80 is: 93,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,542.32 : 167,736.83 = 67,837.80 : x
  2. Step 2: Convert to fraction form
    121,542.32/167,736.83 = 67,837.80/x
  3. Step 3: Cross multiply
    121,542.32x = 167,736.83 × 67,837.80
  4. Step 4: Simplify right side
    121,542.32x = 11,378,897,816.00
  5. Step 5: Solve for x
    x = 11,378,897,816.00/121,542.32
  6. Step 6: Final answer
    x = 93,620.87

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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.