Home / 103,858.06-143,323.94-56,111.26

Finding the Fourth Proportional to 103,858.06, 143,323.94 and 56,111.26

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Solution

The fourth proportional to 103,858.06, 143,323.94 and 56,111.26 is: 77,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,858.06 : 143,323.94 = 56,111.26 : x
  2. Step 2: Convert to fraction form
    103,858.06/143,323.94 = 56,111.26/x
  3. Step 3: Cross multiply
    103,858.06x = 143,323.94 × 56,111.26
  4. Step 4: Simplify right side
    103,858.06x = 8,042,086,861.56
  5. Step 5: Solve for x
    x = 8,042,086,861.56/103,858.06
  6. Step 6: Final answer
    x = 77,433.44

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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.