Home / 145,976.41-201,412.97-82,301.90

Finding the Fourth Proportional to 145,976.41, 201,412.97 and 82,301.90

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Solution

The fourth proportional to 145,976.41, 201,412.97 and 82,301.90 is: 113,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.41 : 201,412.97 = 82,301.90 : x
  2. Step 2: Convert to fraction form
    145,976.41/201,412.97 = 82,301.90/x
  3. Step 3: Cross multiply
    145,976.41x = 201,412.97 × 82,301.90
  4. Step 4: Simplify right side
    145,976.41x = 16,576,670,115.64
  5. Step 5: Solve for x
    x = 16,576,670,115.64/145,976.41
  6. Step 6: Final answer
    x = 113,557.19

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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.