Home / 80,223.23-120,395.37-54,862.15

Finding the Fourth Proportional to 80,223.23, 120,395.37 and 54,862.15

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Solution

The fourth proportional to 80,223.23, 120,395.37 and 54,862.15 is: 82,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.23 : 120,395.37 = 54,862.15 : x
  2. Step 2: Convert to fraction form
    80,223.23/120,395.37 = 54,862.15/x
  3. Step 3: Cross multiply
    80,223.23x = 120,395.37 × 54,862.15
  4. Step 4: Simplify right side
    80,223.23x = 6,605,148,424.38
  5. Step 5: Solve for x
    x = 6,605,148,424.38/80,223.23
  6. Step 6: Final answer
    x = 82,334.61

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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.