Home / 145,979.82-201,470.09-82,316.25

Finding the Fourth Proportional to 145,979.82, 201,470.09 and 82,316.25

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Solution

The fourth proportional to 145,979.82, 201,470.09 and 82,316.25 is: 113,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.82 : 201,470.09 = 82,316.25 : x
  2. Step 2: Convert to fraction form
    145,979.82/201,470.09 = 82,316.25/x
  3. Step 3: Cross multiply
    145,979.82x = 201,470.09 × 82,316.25
  4. Step 4: Simplify right side
    145,979.82x = 16,584,261,884.38
  5. Step 5: Solve for x
    x = 16,584,261,884.38/145,979.82
  6. Step 6: Final answer
    x = 113,606.54

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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.