Home / 168,711.80-253,359.30-109,808.60

Finding the Fourth Proportional to 168,711.80, 253,359.30 and 109,808.60

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Solution

The fourth proportional to 168,711.80, 253,359.30 and 109,808.60 is: 164,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,711.80 : 253,359.30 = 109,808.60 : x
  2. Step 2: Convert to fraction form
    168,711.80/253,359.30 = 109,808.60/x
  3. Step 3: Cross multiply
    168,711.80x = 253,359.30 × 109,808.60
  4. Step 4: Simplify right side
    168,711.80x = 27,821,030,029.98
  5. Step 5: Solve for x
    x = 27,821,030,029.98/168,711.80
  6. Step 6: Final answer
    x = 164,902.69

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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.