Home / 269,640.13-372,101.04-148,782.55

Finding the Fourth Proportional to 269,640.13, 372,101.04 and 148,782.55

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Solution

The fourth proportional to 269,640.13, 372,101.04 and 148,782.55 is: 205,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,640.13 : 372,101.04 = 148,782.55 : x
  2. Step 2: Convert to fraction form
    269,640.13/372,101.04 = 148,782.55/x
  3. Step 3: Cross multiply
    269,640.13x = 372,101.04 × 148,782.55
  4. Step 4: Simplify right side
    269,640.13x = 55,362,141,588.85
  5. Step 5: Solve for x
    x = 55,362,141,588.85/269,640.13
  6. Step 6: Final answer
    x = 205,318.63

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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.