Home / 121,555.46-167,754.95-67,850.93

Finding the Fourth Proportional to 121,555.46, 167,754.95 and 67,850.93

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Solution

The fourth proportional to 121,555.46, 167,754.95 and 67,850.93 is: 93,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,555.46 : 167,754.95 = 67,850.93 : x
  2. Step 2: Convert to fraction form
    121,555.46/167,754.95 = 67,850.93/x
  3. Step 3: Cross multiply
    121,555.46x = 167,754.95 × 67,850.93
  4. Step 4: Simplify right side
    121,555.46x = 11,382,328,191.57
  5. Step 5: Solve for x
    x = 11,382,328,191.57/121,555.46
  6. Step 6: Final answer
    x = 93,638.97

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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.