Home / 248,092.59-372,139.97-79,638.51

Finding the Fourth Proportional to 248,092.59, 372,139.97 and 79,638.51

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Solution

The fourth proportional to 248,092.59, 372,139.97 and 79,638.51 is: 119,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,092.59 : 372,139.97 = 79,638.51 : x
  2. Step 2: Convert to fraction form
    248,092.59/372,139.97 = 79,638.51/x
  3. Step 3: Cross multiply
    248,092.59x = 372,139.97 × 79,638.51
  4. Step 4: Simplify right side
    248,092.59x = 29,636,672,324.05
  5. Step 5: Solve for x
    x = 29,636,672,324.05/248,092.59
  6. Step 6: Final answer
    x = 119,458.11

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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.