Home / 103,945.26-143,444.49-56,198.61

Finding the Fourth Proportional to 103,945.26, 143,444.49 and 56,198.61

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Solution

The fourth proportional to 103,945.26, 143,444.49 and 56,198.61 is: 77,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,945.26 : 143,444.49 = 56,198.61 : x
  2. Step 2: Convert to fraction form
    103,945.26/143,444.49 = 56,198.61/x
  3. Step 3: Cross multiply
    103,945.26x = 143,444.49 × 56,198.61
  4. Step 4: Simplify right side
    103,945.26x = 8,061,380,950.16
  5. Step 5: Solve for x
    x = 8,061,380,950.16/103,945.26
  6. Step 6: Final answer
    x = 77,554.10

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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.