Home / 180,828.80-271,243.20-145,836.80

Finding the Fourth Proportional to 180,828.80, 271,243.20 and 145,836.80

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Solution

The fourth proportional to 180,828.80, 271,243.20 and 145,836.80 is: 218,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,828.80 : 271,243.20 = 145,836.80 : x
  2. Step 2: Convert to fraction form
    180,828.80/271,243.20 = 145,836.80/x
  3. Step 3: Cross multiply
    180,828.80x = 271,243.20 × 145,836.80
  4. Step 4: Simplify right side
    180,828.80x = 39,557,240,309.76
  5. Step 5: Solve for x
    x = 39,557,240,309.76/180,828.80
  6. Step 6: Final answer
    x = 218,755.20

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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.