Home / 143,189.29-197,589.65-82,763.84

Finding the Fourth Proportional to 143,189.29, 197,589.65 and 82,763.84

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Solution

The fourth proportional to 143,189.29, 197,589.65 and 82,763.84 is: 114,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,189.29 : 197,589.65 = 82,763.84 : x
  2. Step 2: Convert to fraction form
    143,189.29/197,589.65 = 82,763.84/x
  3. Step 3: Cross multiply
    143,189.29x = 197,589.65 × 82,763.84
  4. Step 4: Simplify right side
    143,189.29x = 16,353,278,258.41
  5. Step 5: Solve for x
    x = 16,353,278,258.41/143,189.29
  6. Step 6: Final answer
    x = 114,207.42

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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.