Home / 221,055.80-331,712.36-92,962.88

Finding the Fourth Proportional to 221,055.80, 331,712.36 and 92,962.88

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Solution

The fourth proportional to 221,055.80, 331,712.36 and 92,962.88 is: 139,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,055.80 : 331,712.36 = 92,962.88 : x
  2. Step 2: Convert to fraction form
    221,055.80/331,712.36 = 92,962.88/x
  3. Step 3: Cross multiply
    221,055.80x = 331,712.36 × 92,962.88
  4. Step 4: Simplify right side
    221,055.80x = 30,836,936,317.20
  5. Step 5: Solve for x
    x = 30,836,936,317.20/221,055.80
  6. Step 6: Final answer
    x = 139,498.43

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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.