Home / 186,842.24-280,180-68,431.04

Finding the Fourth Proportional to 186,842.24, 280,180 and 68,431.04

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Solution

The fourth proportional to 186,842.24, 280,180 and 68,431.04 is: 102,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842.24 : 280,180 = 68,431.04 : x
  2. Step 2: Convert to fraction form
    186,842.24/280,180 = 68,431.04/x
  3. Step 3: Cross multiply
    186,842.24x = 280,180 × 68,431.04
  4. Step 4: Simplify right side
    186,842.24x = 19,173,008,787.20
  5. Step 5: Solve for x
    x = 19,173,008,787.20/186,842.24
  6. Step 6: Final answer
    x = 102,616.03

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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.