Home / 121,272.08-167,333.24-67,555.76

Finding the Fourth Proportional to 121,272.08, 167,333.24 and 67,555.76

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Solution

The fourth proportional to 121,272.08, 167,333.24 and 67,555.76 is: 93,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,272.08 : 167,333.24 = 67,555.76 : x
  2. Step 2: Convert to fraction form
    121,272.08/167,333.24 = 67,555.76/x
  3. Step 3: Cross multiply
    121,272.08x = 167,333.24 × 67,555.76
  4. Step 4: Simplify right side
    121,272.08x = 11,304,324,201.46
  5. Step 5: Solve for x
    x = 11,304,324,201.46/121,272.08
  6. Step 6: Final answer
    x = 93,214.57

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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.