Home / 200,860.09-301,292.21-51,100.45

Finding the Fourth Proportional to 200,860.09, 301,292.21 and 51,100.45

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Solution

The fourth proportional to 200,860.09, 301,292.21 and 51,100.45 is: 76,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,860.09 : 301,292.21 = 51,100.45 : x
  2. Step 2: Convert to fraction form
    200,860.09/301,292.21 = 51,100.45/x
  3. Step 3: Cross multiply
    200,860.09x = 301,292.21 × 51,100.45
  4. Step 4: Simplify right side
    200,860.09x = 15,396,167,512.49
  5. Step 5: Solve for x
    x = 15,396,167,512.49/200,860.09
  6. Step 6: Final answer
    x = 76,651.20

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1.5x scale

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.