Home / 109,315.53-163,917-50,100.48

Finding the Fourth Proportional to 109,315.53, 163,917 and 50,100.48

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Solution

The fourth proportional to 109,315.53, 163,917 and 50,100.48 is: 75,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.53 : 163,917 = 50,100.48 : x
  2. Step 2: Convert to fraction form
    109,315.53/163,917 = 50,100.48/x
  3. Step 3: Cross multiply
    109,315.53x = 163,917 × 50,100.48
  4. Step 4: Simplify right side
    109,315.53x = 8,212,320,380.16
  5. Step 5: Solve for x
    x = 8,212,320,380.16/109,315.53
  6. Step 6: Final answer
    x = 75,124.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.