Home / 115,714.82-173,458.37-67,622.39

Finding the Fourth Proportional to 115,714.82, 173,458.37 and 67,622.39

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Solution

The fourth proportional to 115,714.82, 173,458.37 and 67,622.39 is: 101,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,714.82 : 173,458.37 = 67,622.39 : x
  2. Step 2: Convert to fraction form
    115,714.82/173,458.37 = 67,622.39/x
  3. Step 3: Cross multiply
    115,714.82x = 173,458.37 × 67,622.39
  4. Step 4: Simplify right side
    115,714.82x = 11,729,670,019.10
  5. Step 5: Solve for x
    x = 11,729,670,019.10/115,714.82
  6. Step 6: Final answer
    x = 101,367.05

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1.5x scale

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.