Home / 149,901.32-206,855.70-82,829

Finding the Fourth Proportional to 149,901.32, 206,855.70 and 82,829

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Solution

The fourth proportional to 149,901.32, 206,855.70 and 82,829 is: 114,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,901.32 : 206,855.70 = 82,829 : x
  2. Step 2: Convert to fraction form
    149,901.32/206,855.70 = 82,829/x
  3. Step 3: Cross multiply
    149,901.32x = 206,855.70 × 82,829
  4. Step 4: Simplify right side
    149,901.32x = 17,133,650,775.30
  5. Step 5: Solve for x
    x = 17,133,650,775.30/149,901.32
  6. Step 6: Final answer
    x = 114,299.53

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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.