Home / 146,240.64-201,709.44-100,936.80

Finding the Fourth Proportional to 146,240.64, 201,709.44 and 100,936.80

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Solution

The fourth proportional to 146,240.64, 201,709.44 and 100,936.80 is: 139,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240.64 : 201,709.44 = 100,936.80 : x
  2. Step 2: Convert to fraction form
    146,240.64/201,709.44 = 100,936.80/x
  3. Step 3: Cross multiply
    146,240.64x = 201,709.44 × 100,936.80
  4. Step 4: Simplify right side
    146,240.64x = 20,359,905,403.39
  5. Step 5: Solve for x
    x = 20,359,905,403.39/146,240.64
  6. Step 6: Final answer
    x = 139,221.94

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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.