Home / 211,273.76-316,796.88-92,808.80

Finding the Fourth Proportional to 211,273.76, 316,796.88 and 92,808.80

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Solution

The fourth proportional to 211,273.76, 316,796.88 and 92,808.80 is: 139,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,273.76 : 316,796.88 = 92,808.80 : x
  2. Step 2: Convert to fraction form
    211,273.76/316,796.88 = 92,808.80/x
  3. Step 3: Cross multiply
    211,273.76x = 316,796.88 × 92,808.80
  4. Step 4: Simplify right side
    211,273.76x = 29,401,538,276.54
  5. Step 5: Solve for x
    x = 29,401,538,276.54/211,273.76
  6. Step 6: Final answer
    x = 139,163.23

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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.