Home / 134,198.54-201,298.67-39,428.33

Finding the Fourth Proportional to 134,198.54, 201,298.67 and 39,428.33

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Solution

The fourth proportional to 134,198.54, 201,298.67 and 39,428.33 is: 59,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,198.54 : 201,298.67 = 39,428.33 : x
  2. Step 2: Convert to fraction form
    134,198.54/201,298.67 = 39,428.33/x
  3. Step 3: Cross multiply
    134,198.54x = 201,298.67 × 39,428.33
  4. Step 4: Simplify right side
    134,198.54x = 7,936,869,185.69
  5. Step 5: Solve for x
    x = 7,936,869,185.69/134,198.54
  6. Step 6: Final answer
    x = 59,142.74

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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.