Home / 104,414.21-144,087.76-56,666.54

Finding the Fourth Proportional to 104,414.21, 144,087.76 and 56,666.54

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Solution

The fourth proportional to 104,414.21, 144,087.76 and 56,666.54 is: 78,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,414.21 : 144,087.76 = 56,666.54 : x
  2. Step 2: Convert to fraction form
    104,414.21/144,087.76 = 56,666.54/x
  3. Step 3: Cross multiply
    104,414.21x = 144,087.76 × 56,666.54
  4. Step 4: Simplify right side
    104,414.21x = 8,164,954,436.11
  5. Step 5: Solve for x
    x = 8,164,954,436.11/104,414.21
  6. Step 6: Final answer
    x = 78,197.73

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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.