Home / 186,221.03-279,229.48-73,787.36

Finding the Fourth Proportional to 186,221.03, 279,229.48 and 73,787.36

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Solution

The fourth proportional to 186,221.03, 279,229.48 and 73,787.36 is: 110,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,221.03 : 279,229.48 = 73,787.36 : x
  2. Step 2: Convert to fraction form
    186,221.03/279,229.48 = 73,787.36/x
  3. Step 3: Cross multiply
    186,221.03x = 279,229.48 × 73,787.36
  4. Step 4: Simplify right side
    186,221.03x = 20,603,604,582.76
  5. Step 5: Solve for x
    x = 20,603,604,582.76/186,221.03
  6. Step 6: Final answer
    x = 110,640.59

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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.