Home / 146,208.75-201,768.69-79,140.75

Finding the Fourth Proportional to 146,208.75, 201,768.69 and 79,140.75

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Solution

The fourth proportional to 146,208.75, 201,768.69 and 79,140.75 is: 109,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.75 : 201,768.69 = 79,140.75 : x
  2. Step 2: Convert to fraction form
    146,208.75/201,768.69 = 79,140.75/x
  3. Step 3: Cross multiply
    146,208.75x = 201,768.69 × 79,140.75
  4. Step 4: Simplify right side
    146,208.75x = 15,968,125,453.12
  5. Step 5: Solve for x
    x = 15,968,125,453.12/146,208.75
  6. Step 6: Final answer
    x = 109,214.57

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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.