Home / 121,152.82-167,190.88-67,436.68

Finding the Fourth Proportional to 121,152.82, 167,190.88 and 67,436.68

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Solution

The fourth proportional to 121,152.82, 167,190.88 and 67,436.68 is: 93,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.82 : 167,190.88 = 67,436.68 : x
  2. Step 2: Convert to fraction form
    121,152.82/167,190.88 = 67,436.68/x
  3. Step 3: Cross multiply
    121,152.82x = 167,190.88 × 67,436.68
  4. Step 4: Simplify right side
    121,152.82x = 11,274,797,873.48
  5. Step 5: Solve for x
    x = 11,274,797,873.48/121,152.82
  6. Step 6: Final answer
    x = 93,062.61

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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.