Home / 269,647.11-372,106.62-148,788.39

Finding the Fourth Proportional to 269,647.11, 372,106.62 and 148,788.39

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Solution

The fourth proportional to 269,647.11, 372,106.62 and 148,788.39 is: 205,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,647.11 : 372,106.62 = 148,788.39 : x
  2. Step 2: Convert to fraction form
    269,647.11/372,106.62 = 148,788.39/x
  3. Step 3: Cross multiply
    269,647.11x = 372,106.62 × 148,788.39
  4. Step 4: Simplify right side
    269,647.11x = 55,365,144,898.14
  5. Step 5: Solve for x
    x = 55,365,144,898.14/269,647.11
  6. Step 6: Final answer
    x = 205,324.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.