Home / 104,211.36-143,811.79-61,182.41

Finding the Fourth Proportional to 104,211.36, 143,811.79 and 61,182.41

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Solution

The fourth proportional to 104,211.36, 143,811.79 and 61,182.41 is: 84,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.36 : 143,811.79 = 61,182.41 : x
  2. Step 2: Convert to fraction form
    104,211.36/143,811.79 = 61,182.41/x
  3. Step 3: Cross multiply
    104,211.36x = 143,811.79 × 61,182.41
  4. Step 4: Simplify right side
    104,211.36x = 8,798,751,026.60
  5. Step 5: Solve for x
    x = 8,798,751,026.60/104,211.36
  6. Step 6: Final answer
    x = 84,431.78

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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.