Home / 141,786.75-212,768.79-57,546.90

Finding the Fourth Proportional to 141,786.75, 212,768.79 and 57,546.90

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Solution

The fourth proportional to 141,786.75, 212,768.79 and 57,546.90 is: 86,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.75 : 212,768.79 = 57,546.90 : x
  2. Step 2: Convert to fraction form
    141,786.75/212,768.79 = 57,546.90/x
  3. Step 3: Cross multiply
    141,786.75x = 212,768.79 × 57,546.90
  4. Step 4: Simplify right side
    141,786.75x = 12,244,184,281.25
  5. Step 5: Solve for x
    x = 12,244,184,281.25/141,786.75
  6. Step 6: Final answer
    x = 86,356.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.