Home / 156,175.05-234,193.32-71,914.80

Finding the Fourth Proportional to 156,175.05, 234,193.32 and 71,914.80

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Solution

The fourth proportional to 156,175.05, 234,193.32 and 71,914.80 is: 107,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,175.05 : 234,193.32 = 71,914.80 : x
  2. Step 2: Convert to fraction form
    156,175.05/234,193.32 = 71,914.80/x
  3. Step 3: Cross multiply
    156,175.05x = 234,193.32 × 71,914.80
  4. Step 4: Simplify right side
    156,175.05x = 16,841,965,769.14
  5. Step 5: Solve for x
    x = 16,841,965,769.14/156,175.05
  6. Step 6: Final answer
    x = 107,840.31

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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.