Home / 179,422.21-269,135.37-76,825.72

Finding the Fourth Proportional to 179,422.21, 269,135.37 and 76,825.72

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Solution

The fourth proportional to 179,422.21, 269,135.37 and 76,825.72 is: 115,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,422.21 : 269,135.37 = 76,825.72 : x
  2. Step 2: Convert to fraction form
    179,422.21/269,135.37 = 76,825.72/x
  3. Step 3: Cross multiply
    179,422.21x = 269,135.37 × 76,825.72
  4. Step 4: Simplify right side
    179,422.21x = 20,676,518,577.72
  5. Step 5: Solve for x
    x = 20,676,518,577.72/179,422.21
  6. Step 6: Final answer
    x = 115,239.46

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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.