Home / 131,904.54-182,031.61-80,945.42

Finding the Fourth Proportional to 131,904.54, 182,031.61 and 80,945.42

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Solution

The fourth proportional to 131,904.54, 182,031.61 and 80,945.42 is: 111,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,904.54 : 182,031.61 = 80,945.42 : x
  2. Step 2: Convert to fraction form
    131,904.54/182,031.61 = 80,945.42/x
  3. Step 3: Cross multiply
    131,904.54x = 182,031.61 × 80,945.42
  4. Step 4: Simplify right side
    131,904.54x = 14,734,624,214.57
  5. Step 5: Solve for x
    x = 14,734,624,214.57/131,904.54
  6. Step 6: Final answer
    x = 111,706.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.