Home / 96,936.62-145,415.34-40,782.44

Finding the Fourth Proportional to 96,936.62, 145,415.34 and 40,782.44

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Solution

The fourth proportional to 96,936.62, 145,415.34 and 40,782.44 is: 61,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.62 : 145,415.34 = 40,782.44 : x
  2. Step 2: Convert to fraction form
    96,936.62/145,415.34 = 40,782.44/x
  3. Step 3: Cross multiply
    96,936.62x = 145,415.34 × 40,782.44
  4. Step 4: Simplify right side
    96,936.62x = 5,930,392,742.17
  5. Step 5: Solve for x
    x = 5,930,392,742.17/96,936.62
  6. Step 6: Final answer
    x = 61,178.05

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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.