Home / 111,331.20-167,385.60-108,998.40

Finding the Fourth Proportional to 111,331.20, 167,385.60 and 108,998.40

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Solution

The fourth proportional to 111,331.20, 167,385.60 and 108,998.40 is: 163,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.20 : 167,385.60 = 108,998.40 : x
  2. Step 2: Convert to fraction form
    111,331.20/167,385.60 = 108,998.40/x
  3. Step 3: Cross multiply
    111,331.20x = 167,385.60 × 108,998.40
  4. Step 4: Simplify right side
    111,331.20x = 18,244,762,583.04
  5. Step 5: Solve for x
    x = 18,244,762,583.04/111,331.20
  6. Step 6: Final answer
    x = 163,878.25

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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.