Home / 97,961.45-135,185.30-54,940.94

Finding the Fourth Proportional to 97,961.45, 135,185.30 and 54,940.94

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Solution

The fourth proportional to 97,961.45, 135,185.30 and 54,940.94 is: 75,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,961.45 : 135,185.30 = 54,940.94 : x
  2. Step 2: Convert to fraction form
    97,961.45/135,185.30 = 54,940.94/x
  3. Step 3: Cross multiply
    97,961.45x = 135,185.30 × 54,940.94
  4. Step 4: Simplify right side
    97,961.45x = 7,427,206,780.26
  5. Step 5: Solve for x
    x = 7,427,206,780.26/97,961.45
  6. Step 6: Final answer
    x = 75,817.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.