Home / 121,475.88-182,270.52-54,936

Finding the Fourth Proportional to 121,475.88, 182,270.52 and 54,936

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Solution

The fourth proportional to 121,475.88, 182,270.52 and 54,936 is: 82,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,475.88 : 182,270.52 = 54,936 : x
  2. Step 2: Convert to fraction form
    121,475.88/182,270.52 = 54,936/x
  3. Step 3: Cross multiply
    121,475.88x = 182,270.52 × 54,936
  4. Step 4: Simplify right side
    121,475.88x = 10,013,213,286.72
  5. Step 5: Solve for x
    x = 10,013,213,286.72/121,475.88
  6. Step 6: Final answer
    x = 82,429.64

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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.