Home / 121,276.71-167,361.96-67,561.86

Finding the Fourth Proportional to 121,276.71, 167,361.96 and 67,561.86

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Solution

The fourth proportional to 121,276.71, 167,361.96 and 67,561.86 is: 93,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276.71 : 167,361.96 = 67,561.86 : x
  2. Step 2: Convert to fraction form
    121,276.71/167,361.96 = 67,561.86/x
  3. Step 3: Cross multiply
    121,276.71x = 167,361.96 × 67,561.86
  4. Step 4: Simplify right side
    121,276.71x = 11,307,285,310.85
  5. Step 5: Solve for x
    x = 11,307,285,310.85/121,276.71
  6. Step 6: Final answer
    x = 93,235.42

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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.