Home / 106,554.23-159,839.19-30,649.70

Finding the Fourth Proportional to 106,554.23, 159,839.19 and 30,649.70

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Solution

The fourth proportional to 106,554.23, 159,839.19 and 30,649.70 is: 45,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554.23 : 159,839.19 = 30,649.70 : x
  2. Step 2: Convert to fraction form
    106,554.23/159,839.19 = 30,649.70/x
  3. Step 3: Cross multiply
    106,554.23x = 159,839.19 × 30,649.70
  4. Step 4: Simplify right side
    106,554.23x = 4,899,022,422.55
  5. Step 5: Solve for x
    x = 4,899,022,422.55/106,554.23
  6. Step 6: Final answer
    x = 45,976.80

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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.