Home / 154,145.97-231,255.99-52,942.50

Finding the Fourth Proportional to 154,145.97, 231,255.99 and 52,942.50

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Solution

The fourth proportional to 154,145.97, 231,255.99 and 52,942.50 is: 79,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,145.97 : 231,255.99 = 52,942.50 : x
  2. Step 2: Convert to fraction form
    154,145.97/231,255.99 = 52,942.50/x
  3. Step 3: Cross multiply
    154,145.97x = 231,255.99 × 52,942.50
  4. Step 4: Simplify right side
    154,145.97x = 12,243,270,250.58
  5. Step 5: Solve for x
    x = 12,243,270,250.58/154,145.97
  6. Step 6: Final answer
    x = 79,426.47

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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.