Home / 146,768.52-220,237.44-79,300.75

Finding the Fourth Proportional to 146,768.52, 220,237.44 and 79,300.75

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Solution

The fourth proportional to 146,768.52, 220,237.44 and 79,300.75 is: 118,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,768.52 : 220,237.44 = 79,300.75 : x
  2. Step 2: Convert to fraction form
    146,768.52/220,237.44 = 79,300.75/x
  3. Step 3: Cross multiply
    146,768.52x = 220,237.44 × 79,300.75
  4. Step 4: Simplify right side
    146,768.52x = 17,464,994,170.08
  5. Step 5: Solve for x
    x = 17,464,994,170.08/146,768.52
  6. Step 6: Final answer
    x = 118,996.87

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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.