Home / 121,334.46-167,441.70-67,618.27

Finding the Fourth Proportional to 121,334.46, 167,441.70 and 67,618.27

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Solution

The fourth proportional to 121,334.46, 167,441.70 and 67,618.27 is: 93,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334.46 : 167,441.70 = 67,618.27 : x
  2. Step 2: Convert to fraction form
    121,334.46/167,441.70 = 67,618.27/x
  3. Step 3: Cross multiply
    121,334.46x = 167,441.70 × 67,618.27
  4. Step 4: Simplify right side
    121,334.46x = 11,322,118,079.86
  5. Step 5: Solve for x
    x = 11,322,118,079.86/121,334.46
  6. Step 6: Final answer
    x = 93,313.29

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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.