Home / 220,973.88-331,606.10-121,204

Finding the Fourth Proportional to 220,973.88, 331,606.10 and 121,204

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Solution

The fourth proportional to 220,973.88, 331,606.10 and 121,204 is: 181,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,973.88 : 331,606.10 = 121,204 : x
  2. Step 2: Convert to fraction form
    220,973.88/331,606.10 = 121,204/x
  3. Step 3: Cross multiply
    220,973.88x = 331,606.10 × 121,204
  4. Step 4: Simplify right side
    220,973.88x = 40,191,985,744.40
  5. Step 5: Solve for x
    x = 40,191,985,744.40/220,973.88
  6. Step 6: Final answer
    x = 181,885.69

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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.