Home / 104,422.24-143,993.73-61,972.57

Finding the Fourth Proportional to 104,422.24, 143,993.73 and 61,972.57

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Solution

The fourth proportional to 104,422.24, 143,993.73 and 61,972.57 is: 85,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.24 : 143,993.73 = 61,972.57 : x
  2. Step 2: Convert to fraction form
    104,422.24/143,993.73 = 61,972.57/x
  3. Step 3: Cross multiply
    104,422.24x = 143,993.73 × 61,972.57
  4. Step 4: Simplify right side
    104,422.24x = 8,923,661,511.99
  5. Step 5: Solve for x
    x = 8,923,661,511.99/104,422.24
  6. Step 6: Final answer
    x = 85,457.48

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1.5x scale

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.