Home / 149,385.75-206,156.66-82,322.07

Finding the Fourth Proportional to 149,385.75, 206,156.66 and 82,322.07

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Solution

The fourth proportional to 149,385.75, 206,156.66 and 82,322.07 is: 113,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,385.75 : 206,156.66 = 82,322.07 : x
  2. Step 2: Convert to fraction form
    149,385.75/206,156.66 = 82,322.07/x
  3. Step 3: Cross multiply
    149,385.75x = 206,156.66 × 82,322.07
  4. Step 4: Simplify right side
    149,385.75x = 16,971,242,583.88
  5. Step 5: Solve for x
    x = 16,971,242,583.88/149,385.75
  6. Step 6: Final answer
    x = 113,606.84

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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.