Home / 170,732.04-255,971.20-81,900.96

Finding the Fourth Proportional to 170,732.04, 255,971.20 and 81,900.96

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Solution

The fourth proportional to 170,732.04, 255,971.20 and 81,900.96 is: 122,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,732.04 : 255,971.20 = 81,900.96 : x
  2. Step 2: Convert to fraction form
    170,732.04/255,971.20 = 81,900.96/x
  3. Step 3: Cross multiply
    170,732.04x = 255,971.20 × 81,900.96
  4. Step 4: Simplify right side
    170,732.04x = 20,964,287,012.35
  5. Step 5: Solve for x
    x = 20,964,287,012.35/170,732.04
  6. Step 6: Final answer
    x = 122,790.58

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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.