Home / 129,525.19-194,313.98-54,645.49

Finding the Fourth Proportional to 129,525.19, 194,313.98 and 54,645.49

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Solution

The fourth proportional to 129,525.19, 194,313.98 and 54,645.49 is: 81,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,525.19 : 194,313.98 = 54,645.49 : x
  2. Step 2: Convert to fraction form
    129,525.19/194,313.98 = 54,645.49/x
  3. Step 3: Cross multiply
    129,525.19x = 194,313.98 × 54,645.49
  4. Step 4: Simplify right side
    129,525.19x = 10,618,382,650.95
  5. Step 5: Solve for x
    x = 10,618,382,650.95/129,525.19
  6. Step 6: Final answer
    x = 81,979.29

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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.