Home / 121,089.76-167,104.69-67,377.04

Finding the Fourth Proportional to 121,089.76, 167,104.69 and 67,377.04

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Solution

The fourth proportional to 121,089.76, 167,104.69 and 67,377.04 is: 92,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,089.76 : 167,104.69 = 67,377.04 : x
  2. Step 2: Convert to fraction form
    121,089.76/167,104.69 = 67,377.04/x
  3. Step 3: Cross multiply
    121,089.76x = 167,104.69 × 67,377.04
  4. Step 4: Simplify right side
    121,089.76x = 11,259,019,382.32
  5. Step 5: Solve for x
    x = 11,259,019,382.32/121,089.76
  6. Step 6: Final answer
    x = 92,980.77

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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.