Home / 150,016.25-207,015.17-85,500.60

Finding the Fourth Proportional to 150,016.25, 207,015.17 and 85,500.60

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Solution

The fourth proportional to 150,016.25, 207,015.17 and 85,500.60 is: 117,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,016.25 : 207,015.17 = 85,500.60 : x
  2. Step 2: Convert to fraction form
    150,016.25/207,015.17 = 85,500.60/x
  3. Step 3: Cross multiply
    150,016.25x = 207,015.17 × 85,500.60
  4. Step 4: Simplify right side
    150,016.25x = 17,699,920,816.60
  5. Step 5: Solve for x
    x = 17,699,920,816.60/150,016.25
  6. Step 6: Final answer
    x = 117,986.69

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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.