Home / 149,281.64-206,001.06-82,200.68

Finding the Fourth Proportional to 149,281.64, 206,001.06 and 82,200.68

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Solution

The fourth proportional to 149,281.64, 206,001.06 and 82,200.68 is: 113,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,281.64 : 206,001.06 = 82,200.68 : x
  2. Step 2: Convert to fraction form
    149,281.64/206,001.06 = 82,200.68/x
  3. Step 3: Cross multiply
    149,281.64x = 206,001.06 × 82,200.68
  4. Step 4: Simplify right side
    149,281.64x = 16,933,427,212.72
  5. Step 5: Solve for x
    x = 16,933,427,212.72/149,281.64
  6. Step 6: Final answer
    x = 113,432.75

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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.