Home / 121,470.33-167,636.56-67,022.23

Finding the Fourth Proportional to 121,470.33, 167,636.56 and 67,022.23

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Solution

The fourth proportional to 121,470.33, 167,636.56 and 67,022.23 is: 92,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,470.33 : 167,636.56 = 67,022.23 : x
  2. Step 2: Convert to fraction form
    121,470.33/167,636.56 = 67,022.23/x
  3. Step 3: Cross multiply
    121,470.33x = 167,636.56 × 67,022.23
  4. Step 4: Simplify right side
    121,470.33x = 11,235,376,080.73
  5. Step 5: Solve for x
    x = 11,235,376,080.73/121,470.33
  6. Step 6: Final answer
    x = 92,494.82

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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.