Home / 186,469.14-279,731.27-68,112.80

Finding the Fourth Proportional to 186,469.14, 279,731.27 and 68,112.80

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Solution

The fourth proportional to 186,469.14, 279,731.27 and 68,112.80 is: 102,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,469.14 : 279,731.27 = 68,112.80 : x
  2. Step 2: Convert to fraction form
    186,469.14/279,731.27 = 68,112.80/x
  3. Step 3: Cross multiply
    186,469.14x = 279,731.27 × 68,112.80
  4. Step 4: Simplify right side
    186,469.14x = 19,053,280,047.26
  5. Step 5: Solve for x
    x = 19,053,280,047.26/186,469.14
  6. Step 6: Final answer
    x = 102,179.27

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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.