Home / 171,941.20-257,984.70-108,809.80

Finding the Fourth Proportional to 171,941.20, 257,984.70 and 108,809.80

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Solution

The fourth proportional to 171,941.20, 257,984.70 and 108,809.80 is: 163,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.20 : 257,984.70 = 108,809.80 : x
  2. Step 2: Convert to fraction form
    171,941.20/257,984.70 = 108,809.80/x
  3. Step 3: Cross multiply
    171,941.20x = 257,984.70 × 108,809.80
  4. Step 4: Simplify right side
    171,941.20x = 28,071,263,610.06
  5. Step 5: Solve for x
    x = 28,071,263,610.06/171,941.20
  6. Step 6: Final answer
    x = 163,260.83

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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.