Home / 144,263.85-198,954.68-120,144.48

Finding the Fourth Proportional to 144,263.85, 198,954.68 and 120,144.48

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Solution

The fourth proportional to 144,263.85, 198,954.68 and 120,144.48 is: 165,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,263.85 : 198,954.68 = 120,144.48 : x
  2. Step 2: Convert to fraction form
    144,263.85/198,954.68 = 120,144.48/x
  3. Step 3: Cross multiply
    144,263.85x = 198,954.68 × 120,144.48
  4. Step 4: Simplify right side
    144,263.85x = 23,903,305,971.44
  5. Step 5: Solve for x
    x = 23,903,305,971.44/144,263.85
  6. Step 6: Final answer
    x = 165,691.59

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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.