Home / 269,556.61-371,987.07-148,705.42

Finding the Fourth Proportional to 269,556.61, 371,987.07 and 148,705.42

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Solution

The fourth proportional to 269,556.61, 371,987.07 and 148,705.42 is: 205,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,556.61 : 371,987.07 = 148,705.42 : x
  2. Step 2: Convert to fraction form
    269,556.61/371,987.07 = 148,705.42/x
  3. Step 3: Cross multiply
    269,556.61x = 371,987.07 × 148,705.42
  4. Step 4: Simplify right side
    269,556.61x = 55,316,493,478.92
  5. Step 5: Solve for x
    x = 55,316,493,478.92/269,556.61
  6. Step 6: Final answer
    x = 205,212.90

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1.5x scale

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.