Home / 150,378.96-207,796.68-143,091.12

Finding the Fourth Proportional to 150,378.96, 207,796.68 and 143,091.12

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Solution

The fourth proportional to 150,378.96, 207,796.68 and 143,091.12 is: 197,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,378.96 : 207,796.68 = 143,091.12 : x
  2. Step 2: Convert to fraction form
    150,378.96/207,796.68 = 143,091.12/x
  3. Step 3: Cross multiply
    150,378.96x = 207,796.68 × 143,091.12
  4. Step 4: Simplify right side
    150,378.96x = 29,733,859,673.48
  5. Step 5: Solve for x
    x = 29,733,859,673.48/150,378.96
  6. Step 6: Final answer
    x = 197,726.20

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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.