Home / 134,137.28-201,018.78-100,818.33

Finding the Fourth Proportional to 134,137.28, 201,018.78 and 100,818.33

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Solution

The fourth proportional to 134,137.28, 201,018.78 and 100,818.33 is: 151,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.28 : 201,018.78 = 100,818.33 : x
  2. Step 2: Convert to fraction form
    134,137.28/201,018.78 = 100,818.33/x
  3. Step 3: Cross multiply
    134,137.28x = 201,018.78 × 100,818.33
  4. Step 4: Simplify right side
    134,137.28x = 20,266,377,698.24
  5. Step 5: Solve for x
    x = 20,266,377,698.24/134,137.28
  6. Step 6: Final answer
    x = 151,086.85

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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.