Home / 111,517.10-167,220.30-40,436.90

Finding the Fourth Proportional to 111,517.10, 167,220.30 and 40,436.90

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Solution

The fourth proportional to 111,517.10, 167,220.30 and 40,436.90 is: 60,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,517.10 : 167,220.30 = 40,436.90 : x
  2. Step 2: Convert to fraction form
    111,517.10/167,220.30 = 40,436.90/x
  3. Step 3: Cross multiply
    111,517.10x = 167,220.30 × 40,436.90
  4. Step 4: Simplify right side
    111,517.10x = 6,761,870,549.07
  5. Step 5: Solve for x
    x = 6,761,870,549.07/111,517.10
  6. Step 6: Final answer
    x = 60,635.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.