Home / 186,850.80-279,968.40-107,827.20

Finding the Fourth Proportional to 186,850.80, 279,968.40 and 107,827.20

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Solution

The fourth proportional to 186,850.80, 279,968.40 and 107,827.20 is: 161,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,850.80 : 279,968.40 = 107,827.20 : x
  2. Step 2: Convert to fraction form
    186,850.80/279,968.40 = 107,827.20/x
  3. Step 3: Cross multiply
    186,850.80x = 279,968.40 × 107,827.20
  4. Step 4: Simplify right side
    186,850.80x = 30,188,208,660.48
  5. Step 5: Solve for x
    x = 30,188,208,660.48/186,850.80
  6. Step 6: Final answer
    x = 161,563.18

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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.