Home / 180,056.34-248,266.99-122,729.60

Finding the Fourth Proportional to 180,056.34, 248,266.99 and 122,729.60

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Solution

The fourth proportional to 180,056.34, 248,266.99 and 122,729.60 is: 169,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,056.34 : 248,266.99 = 122,729.60 : x
  2. Step 2: Convert to fraction form
    180,056.34/248,266.99 = 122,729.60/x
  3. Step 3: Cross multiply
    180,056.34x = 248,266.99 × 122,729.60
  4. Step 4: Simplify right side
    180,056.34x = 30,469,708,375.90
  5. Step 5: Solve for x
    x = 30,469,708,375.90/180,056.34
  6. Step 6: Final answer
    x = 169,223.19

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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.