Home / 104,076.38-143,625.41-56,330.12

Finding the Fourth Proportional to 104,076.38, 143,625.41 and 56,330.12

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Solution

The fourth proportional to 104,076.38, 143,625.41 and 56,330.12 is: 77,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,076.38 : 143,625.41 = 56,330.12 : x
  2. Step 2: Convert to fraction form
    104,076.38/143,625.41 = 56,330.12/x
  3. Step 3: Cross multiply
    104,076.38x = 143,625.41 × 56,330.12
  4. Step 4: Simplify right side
    104,076.38x = 8,090,435,580.57
  5. Step 5: Solve for x
    x = 8,090,435,580.57/104,076.38
  6. Step 6: Final answer
    x = 77,735.56

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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.