Home / 269,722.39-372,215.07-148,863.68

Finding the Fourth Proportional to 269,722.39, 372,215.07 and 148,863.68

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Solution

The fourth proportional to 269,722.39, 372,215.07 and 148,863.68 is: 205,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,722.39 : 372,215.07 = 148,863.68 : x
  2. Step 2: Convert to fraction form
    269,722.39/372,215.07 = 148,863.68/x
  3. Step 3: Cross multiply
    269,722.39x = 372,215.07 × 148,863.68
  4. Step 4: Simplify right side
    269,722.39x = 55,409,302,466.26
  5. Step 5: Solve for x
    x = 55,409,302,466.26/269,722.39
  6. Step 6: Final answer
    x = 205,430.86

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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.