Home / 186,724.37-280,211.09-96,849.92

Finding the Fourth Proportional to 186,724.37, 280,211.09 and 96,849.92

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Solution

The fourth proportional to 186,724.37, 280,211.09 and 96,849.92 is: 145,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.37 : 280,211.09 = 96,849.92 : x
  2. Step 2: Convert to fraction form
    186,724.37/280,211.09 = 96,849.92/x
  3. Step 3: Cross multiply
    186,724.37x = 280,211.09 × 96,849.92
  4. Step 4: Simplify right side
    186,724.37x = 27,138,419,764.31
  5. Step 5: Solve for x
    x = 27,138,419,764.31/186,724.37
  6. Step 6: Final answer
    x = 145,339.47

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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.