Home / 149,280.48-206,006.16-82,212

Finding the Fourth Proportional to 149,280.48, 206,006.16 and 82,212

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Solution

The fourth proportional to 149,280.48, 206,006.16 and 82,212 is: 113,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,280.48 : 206,006.16 = 82,212 : x
  2. Step 2: Convert to fraction form
    149,280.48/206,006.16 = 82,212/x
  3. Step 3: Cross multiply
    149,280.48x = 206,006.16 × 82,212
  4. Step 4: Simplify right side
    149,280.48x = 16,936,178,425.92
  5. Step 5: Solve for x
    x = 16,936,178,425.92/149,280.48
  6. Step 6: Final answer
    x = 113,452.06

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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.