Home / 209,259.52-313,791-76,045.84

Finding the Fourth Proportional to 209,259.52, 313,791 and 76,045.84

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Solution

The fourth proportional to 209,259.52, 313,791 and 76,045.84 is: 114,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,259.52 : 313,791 = 76,045.84 : x
  2. Step 2: Convert to fraction form
    209,259.52/313,791 = 76,045.84/x
  3. Step 3: Cross multiply
    209,259.52x = 313,791 × 76,045.84
  4. Step 4: Simplify right side
    209,259.52x = 23,862,500,179.44
  5. Step 5: Solve for x
    x = 23,862,500,179.44/209,259.52
  6. Step 6: Final answer
    x = 114,033.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.