Home / 269,823.11-372,368.36-148,981.55

Finding the Fourth Proportional to 269,823.11, 372,368.36 and 148,981.55

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Solution

The fourth proportional to 269,823.11, 372,368.36 and 148,981.55 is: 205,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,823.11 : 372,368.36 = 148,981.55 : x
  2. Step 2: Convert to fraction form
    269,823.11/372,368.36 = 148,981.55/x
  3. Step 3: Cross multiply
    269,823.11x = 372,368.36 × 148,981.55
  4. Step 4: Simplify right side
    269,823.11x = 55,476,014,698.85
  5. Step 5: Solve for x
    x = 55,476,014,698.85/269,823.11
  6. Step 6: Final answer
    x = 205,601.42

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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.