Home / 121,517.37-167,584.95-76,200.30

Finding the Fourth Proportional to 121,517.37, 167,584.95 and 76,200.30

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Solution

The fourth proportional to 121,517.37, 167,584.95 and 76,200.30 is: 105,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,517.37 : 167,584.95 = 76,200.30 : x
  2. Step 2: Convert to fraction form
    121,517.37/167,584.95 = 76,200.30/x
  3. Step 3: Cross multiply
    121,517.37x = 167,584.95 × 76,200.30
  4. Step 4: Simplify right side
    121,517.37x = 12,770,023,465.49
  5. Step 5: Solve for x
    x = 12,770,023,465.49/121,517.37
  6. Step 6: Final answer
    x = 105,088.05

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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.