Home / 149,282.64-206,002.44-82,201.68

Finding the Fourth Proportional to 149,282.64, 206,002.44 and 82,201.68

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Solution

The fourth proportional to 149,282.64, 206,002.44 and 82,201.68 is: 113,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,282.64 : 206,002.44 = 82,201.68 : x
  2. Step 2: Convert to fraction form
    149,282.64/206,002.44 = 82,201.68/x
  3. Step 3: Cross multiply
    149,282.64x = 206,002.44 × 82,201.68
  4. Step 4: Simplify right side
    149,282.64x = 16,933,746,652.10
  5. Step 5: Solve for x
    x = 16,933,746,652.10/149,282.64
  6. Step 6: Final answer
    x = 113,434.13

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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.