Home / 121,382.91-167,504.96-67,666.82

Finding the Fourth Proportional to 121,382.91, 167,504.96 and 67,666.82

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Solution

The fourth proportional to 121,382.91, 167,504.96 and 67,666.82 is: 93,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,382.91 : 167,504.96 = 67,666.82 : x
  2. Step 2: Convert to fraction form
    121,382.91/167,504.96 = 67,666.82/x
  3. Step 3: Cross multiply
    121,382.91x = 167,504.96 × 67,666.82
  4. Step 4: Simplify right side
    121,382.91x = 11,334,527,309.07
  5. Step 5: Solve for x
    x = 11,334,527,309.07/121,382.91
  6. Step 6: Final answer
    x = 93,378.28

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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.