Home / 214,882.12-322,381.50-65,116.36

Finding the Fourth Proportional to 214,882.12, 322,381.50 and 65,116.36

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Solution

The fourth proportional to 214,882.12, 322,381.50 and 65,116.36 is: 97,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,882.12 : 322,381.50 = 65,116.36 : x
  2. Step 2: Convert to fraction form
    214,882.12/322,381.50 = 65,116.36/x
  3. Step 3: Cross multiply
    214,882.12x = 322,381.50 × 65,116.36
  4. Step 4: Simplify right side
    214,882.12x = 20,992,309,811.34
  5. Step 5: Solve for x
    x = 20,992,309,811.34/214,882.12
  6. Step 6: Final answer
    x = 97,692.21

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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.