Home / 129,331.44-194,005.37-40,588.46

Finding the Fourth Proportional to 129,331.44, 194,005.37 and 40,588.46

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Solution

The fourth proportional to 129,331.44, 194,005.37 and 40,588.46 is: 60,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,331.44 : 194,005.37 = 40,588.46 : x
  2. Step 2: Convert to fraction form
    129,331.44/194,005.37 = 40,588.46/x
  3. Step 3: Cross multiply
    129,331.44x = 194,005.37 × 40,588.46
  4. Step 4: Simplify right side
    129,331.44x = 7,874,378,027.06
  5. Step 5: Solve for x
    x = 7,874,378,027.06/129,331.44
  6. Step 6: Final answer
    x = 60,885.26

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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.