Home / 104,260.98-143,879.31-61,839.66

Finding the Fourth Proportional to 104,260.98, 143,879.31 and 61,839.66

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Solution

The fourth proportional to 104,260.98, 143,879.31 and 61,839.66 is: 85,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.98 : 143,879.31 = 61,839.66 : x
  2. Step 2: Convert to fraction form
    104,260.98/143,879.31 = 61,839.66/x
  3. Step 3: Cross multiply
    104,260.98x = 143,879.31 × 61,839.66
  4. Step 4: Simplify right side
    104,260.98x = 8,897,447,611.43
  5. Step 5: Solve for x
    x = 8,897,447,611.43/104,260.98
  6. Step 6: Final answer
    x = 85,338.23

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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.