Home / 117,175.22-175,761.27-28,429.46

Finding the Fourth Proportional to 117,175.22, 175,761.27 and 28,429.46

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Solution

The fourth proportional to 117,175.22, 175,761.27 and 28,429.46 is: 42,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.22 : 175,761.27 = 28,429.46 : x
  2. Step 2: Convert to fraction form
    117,175.22/175,761.27 = 28,429.46/x
  3. Step 3: Cross multiply
    117,175.22x = 175,761.27 × 28,429.46
  4. Step 4: Simplify right side
    117,175.22x = 4,996,797,995.01
  5. Step 5: Solve for x
    x = 4,996,797,995.01/117,175.22
  6. Step 6: Final answer
    x = 42,643.81

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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.