Home / 185,635.80-278,485.29-73,257.21

Finding the Fourth Proportional to 185,635.80, 278,485.29 and 73,257.21

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Solution

The fourth proportional to 185,635.80, 278,485.29 and 73,257.21 is: 109,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.80 : 278,485.29 = 73,257.21 : x
  2. Step 2: Convert to fraction form
    185,635.80/278,485.29 = 73,257.21/x
  3. Step 3: Cross multiply
    185,635.80x = 278,485.29 × 73,257.21
  4. Step 4: Simplify right side
    185,635.80x = 20,401,055,371.44
  5. Step 5: Solve for x
    x = 20,401,055,371.44/185,635.80
  6. Step 6: Final answer
    x = 109,898.28

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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.