Home / 133,198.68-199,768.54-38,407.82

Finding the Fourth Proportional to 133,198.68, 199,768.54 and 38,407.82

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Solution

The fourth proportional to 133,198.68, 199,768.54 and 38,407.82 is: 57,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,198.68 : 199,768.54 = 38,407.82 : x
  2. Step 2: Convert to fraction form
    133,198.68/199,768.54 = 38,407.82/x
  3. Step 3: Cross multiply
    133,198.68x = 199,768.54 × 38,407.82
  4. Step 4: Simplify right side
    133,198.68x = 7,672,674,125.98
  5. Step 5: Solve for x
    x = 7,672,674,125.98/133,198.68
  6. Step 6: Final answer
    x = 57,603.23

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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.