Home / 186,272.10-279,449.82-67,943.44

Finding the Fourth Proportional to 186,272.10, 279,449.82 and 67,943.44

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Solution

The fourth proportional to 186,272.10, 279,449.82 and 67,943.44 is: 101,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.10 : 279,449.82 = 67,943.44 : x
  2. Step 2: Convert to fraction form
    186,272.10/279,449.82 = 67,943.44/x
  3. Step 3: Cross multiply
    186,272.10x = 279,449.82 × 67,943.44
  4. Step 4: Simplify right side
    186,272.10x = 18,986,782,172.71
  5. Step 5: Solve for x
    x = 18,986,782,172.71/186,272.10
  6. Step 6: Final answer
    x = 101,930.36

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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.