Home / 143,244.13-197,665.32-82,818.65

Finding the Fourth Proportional to 143,244.13, 197,665.32 and 82,818.65

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Solution

The fourth proportional to 143,244.13, 197,665.32 and 82,818.65 is: 114,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,244.13 : 197,665.32 = 82,818.65 : x
  2. Step 2: Convert to fraction form
    143,244.13/197,665.32 = 82,818.65/x
  3. Step 3: Cross multiply
    143,244.13x = 197,665.32 × 82,818.65
  4. Step 4: Simplify right side
    143,244.13x = 16,370,374,540.12
  5. Step 5: Solve for x
    x = 16,370,374,540.12/143,244.13
  6. Step 6: Final answer
    x = 114,283.04

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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.