Home / 104,179.89-143,768.09-56,433.42

Finding the Fourth Proportional to 104,179.89, 143,768.09 and 56,433.42

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Solution

The fourth proportional to 104,179.89, 143,768.09 and 56,433.42 is: 77,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.89 : 143,768.09 = 56,433.42 : x
  2. Step 2: Convert to fraction form
    104,179.89/143,768.09 = 56,433.42/x
  3. Step 3: Cross multiply
    104,179.89x = 143,768.09 × 56,433.42
  4. Step 4: Simplify right side
    104,179.89x = 8,113,324,723.40
  5. Step 5: Solve for x
    x = 8,113,324,723.40/104,179.89
  6. Step 6: Final answer
    x = 77,878.03

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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.