Home / 111,708.57-167,682.23-45,192.18

Finding the Fourth Proportional to 111,708.57, 167,682.23 and 45,192.18

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Solution

The fourth proportional to 111,708.57, 167,682.23 and 45,192.18 is: 67,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,708.57 : 167,682.23 = 45,192.18 : x
  2. Step 2: Convert to fraction form
    111,708.57/167,682.23 = 45,192.18/x
  3. Step 3: Cross multiply
    111,708.57x = 167,682.23 × 45,192.18
  4. Step 4: Simplify right side
    111,708.57x = 7,577,925,295.00
  5. Step 5: Solve for x
    x = 7,577,925,295.00/111,708.57
  6. Step 6: Final answer
    x = 67,836.56

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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.