Home / 154,642.25-231,845.04-107,120.76

Finding the Fourth Proportional to 154,642.25, 231,845.04 and 107,120.76

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Solution

The fourth proportional to 154,642.25, 231,845.04 and 107,120.76 is: 160,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,642.25 : 231,845.04 = 107,120.76 : x
  2. Step 2: Convert to fraction form
    154,642.25/231,845.04 = 107,120.76/x
  3. Step 3: Cross multiply
    154,642.25x = 231,845.04 × 107,120.76
  4. Step 4: Simplify right side
    154,642.25x = 24,835,416,887.03
  5. Step 5: Solve for x
    x = 24,835,416,887.03/154,642.25
  6. Step 6: Final answer
    x = 160,599.17

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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.