Home / 145,524.60-200,817.36-80,997.12

Finding the Fourth Proportional to 145,524.60, 200,817.36 and 80,997.12

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Solution

The fourth proportional to 145,524.60, 200,817.36 and 80,997.12 is: 111,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,524.60 : 200,817.36 = 80,997.12 : x
  2. Step 2: Convert to fraction form
    145,524.60/200,817.36 = 80,997.12/x
  3. Step 3: Cross multiply
    145,524.60x = 200,817.36 × 80,997.12
  4. Step 4: Simplify right side
    145,524.60x = 16,265,627,806.00
  5. Step 5: Solve for x
    x = 16,265,627,806.00/145,524.60
  6. Step 6: Final answer
    x = 111,772.36

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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.