Home / 222,738.93-307,380.02-122,136.93

Finding the Fourth Proportional to 222,738.93, 307,380.02 and 122,136.93

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Solution

The fourth proportional to 222,738.93, 307,380.02 and 122,136.93 is: 168,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,738.93 : 307,380.02 = 122,136.93 : x
  2. Step 2: Convert to fraction form
    222,738.93/307,380.02 = 122,136.93/x
  3. Step 3: Cross multiply
    222,738.93x = 307,380.02 × 122,136.93
  4. Step 4: Simplify right side
    222,738.93x = 37,542,451,375.45
  5. Step 5: Solve for x
    x = 37,542,451,375.45/222,738.93
  6. Step 6: Final answer
    x = 168,549.12

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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.