Home / 80,185.34-120,304.71-26,882.57

Finding the Fourth Proportional to 80,185.34, 120,304.71 and 26,882.57

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Solution

The fourth proportional to 80,185.34, 120,304.71 and 26,882.57 is: 40,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,185.34 : 120,304.71 = 26,882.57 : x
  2. Step 2: Convert to fraction form
    80,185.34/120,304.71 = 26,882.57/x
  3. Step 3: Cross multiply
    80,185.34x = 120,304.71 × 26,882.57
  4. Step 4: Simplify right side
    80,185.34x = 3,234,100,088.67
  5. Step 5: Solve for x
    x = 3,234,100,088.67/80,185.34
  6. Step 6: Final answer
    x = 40,332.81

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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.