Home / 186,848.20-280,272.30-144,857.80

Finding the Fourth Proportional to 186,848.20, 280,272.30 and 144,857.80

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Solution

The fourth proportional to 186,848.20, 280,272.30 and 144,857.80 is: 217,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,848.20 : 280,272.30 = 144,857.80 : x
  2. Step 2: Convert to fraction form
    186,848.20/280,272.30 = 144,857.80/x
  3. Step 3: Cross multiply
    186,848.20x = 280,272.30 × 144,857.80
  4. Step 4: Simplify right side
    186,848.20x = 40,599,628,778.94
  5. Step 5: Solve for x
    x = 40,599,628,778.94/186,848.20
  6. Step 6: Final answer
    x = 217,286.70

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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.