Home / 248,401.05-372,592.90-79,932.79

Finding the Fourth Proportional to 248,401.05, 372,592.90 and 79,932.79

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Solution

The fourth proportional to 248,401.05, 372,592.90 and 79,932.79 is: 119,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,401.05 : 372,592.90 = 79,932.79 : x
  2. Step 2: Convert to fraction form
    248,401.05/372,592.90 = 79,932.79/x
  3. Step 3: Cross multiply
    248,401.05x = 372,592.90 × 79,932.79
  4. Step 4: Simplify right side
    248,401.05x = 29,782,390,031.19
  5. Step 5: Solve for x
    x = 29,782,390,031.19/248,401.05
  6. Step 6: Final answer
    x = 119,896.39

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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.