Home / 145,250.44-200,448.20-80,725.56

Finding the Fourth Proportional to 145,250.44, 200,448.20 and 80,725.56

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Solution

The fourth proportional to 145,250.44, 200,448.20 and 80,725.56 is: 111,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,250.44 : 200,448.20 = 80,725.56 : x
  2. Step 2: Convert to fraction form
    145,250.44/200,448.20 = 80,725.56/x
  3. Step 3: Cross multiply
    145,250.44x = 200,448.20 × 80,725.56
  4. Step 4: Simplify right side
    145,250.44x = 16,181,293,195.99
  5. Step 5: Solve for x
    x = 16,181,293,195.99/145,250.44
  6. Step 6: Final answer
    x = 111,402.71

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1.5x scale

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.