Home / 148,949.88-205,383.99-139,502.04

Finding the Fourth Proportional to 148,949.88, 205,383.99 and 139,502.04

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Solution

The fourth proportional to 148,949.88, 205,383.99 and 139,502.04 is: 192,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949.88 : 205,383.99 = 139,502.04 : x
  2. Step 2: Convert to fraction form
    148,949.88/205,383.99 = 139,502.04/x
  3. Step 3: Cross multiply
    148,949.88x = 205,383.99 × 139,502.04
  4. Step 4: Simplify right side
    148,949.88x = 28,651,485,588.34
  5. Step 5: Solve for x
    x = 28,651,485,588.34/148,949.88
  6. Step 6: Final answer
    x = 192,356.55

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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.