Home / 157,401.31-236,135.71-50,791.34

Finding the Fourth Proportional to 157,401.31, 236,135.71 and 50,791.34

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Solution

The fourth proportional to 157,401.31, 236,135.71 and 50,791.34 is: 76,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,401.31 : 236,135.71 = 50,791.34 : x
  2. Step 2: Convert to fraction form
    157,401.31/236,135.71 = 50,791.34/x
  3. Step 3: Cross multiply
    157,401.31x = 236,135.71 × 50,791.34
  4. Step 4: Simplify right side
    157,401.31x = 11,993,649,132.75
  5. Step 5: Solve for x
    x = 11,993,649,132.75/157,401.31
  6. Step 6: Final answer
    x = 76,197.90

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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.