Home / 120,081.36-180,131.04-35,834.88

Finding the Fourth Proportional to 120,081.36, 180,131.04 and 35,834.88

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Solution

The fourth proportional to 120,081.36, 180,131.04 and 35,834.88 is: 53,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,081.36 : 180,131.04 = 35,834.88 : x
  2. Step 2: Convert to fraction form
    120,081.36/180,131.04 = 35,834.88/x
  3. Step 3: Cross multiply
    120,081.36x = 180,131.04 × 35,834.88
  4. Step 4: Simplify right side
    120,081.36x = 6,454,974,202.68
  5. Step 5: Solve for x
    x = 6,454,974,202.68/120,081.36
  6. Step 6: Final answer
    x = 53,755.01

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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.