Home / 111,229.32-166,842.60-26,990.18

Finding the Fourth Proportional to 111,229.32, 166,842.60 and 26,990.18

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Solution

The fourth proportional to 111,229.32, 166,842.60 and 26,990.18 is: 40,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,229.32 : 166,842.60 = 26,990.18 : x
  2. Step 2: Convert to fraction form
    111,229.32/166,842.60 = 26,990.18/x
  3. Step 3: Cross multiply
    111,229.32x = 166,842.60 × 26,990.18
  4. Step 4: Simplify right side
    111,229.32x = 4,503,111,805.67
  5. Step 5: Solve for x
    x = 4,503,111,805.67/111,229.32
  6. Step 6: Final answer
    x = 40,484.94

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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.