Home / 120,874.14-181,126.53-50,715.18

Finding the Fourth Proportional to 120,874.14, 181,126.53 and 50,715.18

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Solution

The fourth proportional to 120,874.14, 181,126.53 and 50,715.18 is: 75,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,874.14 : 181,126.53 = 50,715.18 : x
  2. Step 2: Convert to fraction form
    120,874.14/181,126.53 = 50,715.18/x
  3. Step 3: Cross multiply
    120,874.14x = 181,126.53 × 50,715.18
  4. Step 4: Simplify right side
    120,874.14x = 9,185,864,571.73
  5. Step 5: Solve for x
    x = 9,185,864,571.73/120,874.14
  6. Step 6: Final answer
    x = 75,995.28

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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.