Home / 141,087.54-194,703.18-77,431.26

Finding the Fourth Proportional to 141,087.54, 194,703.18 and 77,431.26

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Solution

The fourth proportional to 141,087.54, 194,703.18 and 77,431.26 is: 106,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.54 : 194,703.18 = 77,431.26 : x
  2. Step 2: Convert to fraction form
    141,087.54/194,703.18 = 77,431.26/x
  3. Step 3: Cross multiply
    141,087.54x = 194,703.18 × 77,431.26
  4. Step 4: Simplify right side
    141,087.54x = 15,076,112,553.41
  5. Step 5: Solve for x
    x = 15,076,112,553.41/141,087.54
  6. Step 6: Final answer
    x = 106,856.44

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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.