Home / 201,122.26-301,679.51-81,176.04

Finding the Fourth Proportional to 201,122.26, 301,679.51 and 81,176.04

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Solution

The fourth proportional to 201,122.26, 301,679.51 and 81,176.04 is: 121,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,122.26 : 301,679.51 = 81,176.04 : x
  2. Step 2: Convert to fraction form
    201,122.26/301,679.51 = 81,176.04/x
  3. Step 3: Cross multiply
    201,122.26x = 301,679.51 × 81,176.04
  4. Step 4: Simplify right side
    201,122.26x = 24,489,147,565.06
  5. Step 5: Solve for x
    x = 24,489,147,565.06/201,122.26
  6. Step 6: Final answer
    x = 121,762.49

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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.