Home / 133,837.16-200,580.78-100,293.56

Finding the Fourth Proportional to 133,837.16, 200,580.78 and 100,293.56

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Solution

The fourth proportional to 133,837.16, 200,580.78 and 100,293.56 is: 150,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,837.16 : 200,580.78 = 100,293.56 : x
  2. Step 2: Convert to fraction form
    133,837.16/200,580.78 = 100,293.56/x
  3. Step 3: Cross multiply
    133,837.16x = 200,580.78 × 100,293.56
  4. Step 4: Simplify right side
    133,837.16x = 20,116,960,493.78
  5. Step 5: Solve for x
    x = 20,116,960,493.78/133,837.16
  6. Step 6: Final answer
    x = 150,309.23

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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.