Home / 149,953.08-206,932.46-82,883.64

Finding the Fourth Proportional to 149,953.08, 206,932.46 and 82,883.64

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Solution

The fourth proportional to 149,953.08, 206,932.46 and 82,883.64 is: 114,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,953.08 : 206,932.46 = 82,883.64 : x
  2. Step 2: Convert to fraction form
    149,953.08/206,932.46 = 82,883.64/x
  3. Step 3: Cross multiply
    149,953.08x = 206,932.46 × 82,883.64
  4. Step 4: Simplify right side
    149,953.08x = 17,151,315,518.95
  5. Step 5: Solve for x
    x = 17,151,315,518.95/149,953.08
  6. Step 6: Final answer
    x = 114,377.88

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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.