Home / 252,433.03-348,351.98-139,255.75

Finding the Fourth Proportional to 252,433.03, 348,351.98 and 139,255.75

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Solution

The fourth proportional to 252,433.03, 348,351.98 and 139,255.75 is: 192,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,433.03 : 348,351.98 = 139,255.75 : x
  2. Step 2: Convert to fraction form
    252,433.03/348,351.98 = 139,255.75/x
  3. Step 3: Cross multiply
    252,433.03x = 348,351.98 × 139,255.75
  4. Step 4: Simplify right side
    252,433.03x = 48,510,015,542.61
  5. Step 5: Solve for x
    x = 48,510,015,542.61/252,433.03
  6. Step 6: Final answer
    x = 192,169.84

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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.