Home / 146,004.75-201,486.60-78,936.75

Finding the Fourth Proportional to 146,004.75, 201,486.60 and 78,936.75

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Solution

The fourth proportional to 146,004.75, 201,486.60 and 78,936.75 is: 108,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,004.75 : 201,486.60 = 78,936.75 : x
  2. Step 2: Convert to fraction form
    146,004.75/201,486.60 = 78,936.75/x
  3. Step 3: Cross multiply
    146,004.75x = 201,486.60 × 78,936.75
  4. Step 4: Simplify right side
    146,004.75x = 15,904,697,372.55
  5. Step 5: Solve for x
    x = 15,904,697,372.55/146,004.75
  6. Step 6: Final answer
    x = 108,932.74

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1.5x scale

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.