Home / 143,883.77-198,552.33-80,209.26

Finding the Fourth Proportional to 143,883.77, 198,552.33 and 80,209.26

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Solution

The fourth proportional to 143,883.77, 198,552.33 and 80,209.26 is: 110,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,883.77 : 198,552.33 = 80,209.26 : x
  2. Step 2: Convert to fraction form
    143,883.77/198,552.33 = 80,209.26/x
  3. Step 3: Cross multiply
    143,883.77x = 198,552.33 × 80,209.26
  4. Step 4: Simplify right side
    143,883.77x = 15,925,735,460.58
  5. Step 5: Solve for x
    x = 15,925,735,460.58/143,883.77
  6. Step 6: Final answer
    x = 110,684.73

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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.