Home / 186,860.43-280,123.99-68,504.18

Finding the Fourth Proportional to 186,860.43, 280,123.99 and 68,504.18

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Solution

The fourth proportional to 186,860.43, 280,123.99 and 68,504.18 is: 102,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,860.43 : 280,123.99 = 68,504.18 : x
  2. Step 2: Convert to fraction form
    186,860.43/280,123.99 = 68,504.18/x
  3. Step 3: Cross multiply
    186,860.43x = 280,123.99 × 68,504.18
  4. Step 4: Simplify right side
    186,860.43x = 19,189,662,661.40
  5. Step 5: Solve for x
    x = 19,189,662,661.40/186,860.43
  6. Step 6: Final answer
    x = 102,695.16

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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.