Home / 110,175.32-165,233.46-47,831

Finding the Fourth Proportional to 110,175.32, 165,233.46 and 47,831

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Solution

The fourth proportional to 110,175.32, 165,233.46 and 47,831 is: 71,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,175.32 : 165,233.46 = 47,831 : x
  2. Step 2: Convert to fraction form
    110,175.32/165,233.46 = 47,831/x
  3. Step 3: Cross multiply
    110,175.32x = 165,233.46 × 47,831
  4. Step 4: Simplify right side
    110,175.32x = 7,903,281,625.26
  5. Step 5: Solve for x
    x = 7,903,281,625.26/110,175.32
  6. Step 6: Final answer
    x = 71,733.68

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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.