Home / 143,331.20-197,796.84-79,674.92

Finding the Fourth Proportional to 143,331.20, 197,796.84 and 79,674.92

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Solution

The fourth proportional to 143,331.20, 197,796.84 and 79,674.92 is: 109,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,331.20 : 197,796.84 = 79,674.92 : x
  2. Step 2: Convert to fraction form
    143,331.20/197,796.84 = 79,674.92/x
  3. Step 3: Cross multiply
    143,331.20x = 197,796.84 × 79,674.92
  4. Step 4: Simplify right side
    143,331.20x = 15,759,447,403.25
  5. Step 5: Solve for x
    x = 15,759,447,403.25/143,331.20
  6. Step 6: Final answer
    x = 109,951.27

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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.