Home / 207,228.27-285,975.45-122,350.80

Finding the Fourth Proportional to 207,228.27, 285,975.45 and 122,350.80

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Solution

The fourth proportional to 207,228.27, 285,975.45 and 122,350.80 is: 168,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,228.27 : 285,975.45 = 122,350.80 : x
  2. Step 2: Convert to fraction form
    207,228.27/285,975.45 = 122,350.80/x
  3. Step 3: Cross multiply
    207,228.27x = 285,975.45 × 122,350.80
  4. Step 4: Simplify right side
    207,228.27x = 34,989,325,087.86
  5. Step 5: Solve for x
    x = 34,989,325,087.86/207,228.27
  6. Step 6: Final answer
    x = 168,844.36

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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.