Home / 144,933.25-199,939.84-102,515.17

Finding the Fourth Proportional to 144,933.25, 199,939.84 and 102,515.17

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Solution

The fourth proportional to 144,933.25, 199,939.84 and 102,515.17 is: 141,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,933.25 : 199,939.84 = 102,515.17 : x
  2. Step 2: Convert to fraction form
    144,933.25/199,939.84 = 102,515.17/x
  3. Step 3: Cross multiply
    144,933.25x = 199,939.84 × 102,515.17
  4. Step 4: Simplify right side
    144,933.25x = 20,496,866,687.37
  5. Step 5: Solve for x
    x = 20,496,866,687.37/144,933.25
  6. Step 6: Final answer
    x = 141,422.80

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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.