Home / 141,289.75-194,893.32-83,890.09

Finding the Fourth Proportional to 141,289.75, 194,893.32 and 83,890.09

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Solution

The fourth proportional to 141,289.75, 194,893.32 and 83,890.09 is: 115,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,289.75 : 194,893.32 = 83,890.09 : x
  2. Step 2: Convert to fraction form
    141,289.75/194,893.32 = 83,890.09/x
  3. Step 3: Cross multiply
    141,289.75x = 194,893.32 × 83,890.09
  4. Step 4: Simplify right side
    141,289.75x = 16,349,618,155.20
  5. Step 5: Solve for x
    x = 16,349,618,155.20/141,289.75
  6. Step 6: Final answer
    x = 115,716.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.