Home / 180,241.37-270,441.09-85,539.95

Finding the Fourth Proportional to 180,241.37, 270,441.09 and 85,539.95

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Solution

The fourth proportional to 180,241.37, 270,441.09 and 85,539.95 is: 128,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,241.37 : 270,441.09 = 85,539.95 : x
  2. Step 2: Convert to fraction form
    180,241.37/270,441.09 = 85,539.95/x
  3. Step 3: Cross multiply
    180,241.37x = 270,441.09 × 85,539.95
  4. Step 4: Simplify right side
    180,241.37x = 23,133,515,964.34
  5. Step 5: Solve for x
    x = 23,133,515,964.34/180,241.37
  6. Step 6: Final answer
    x = 128,347.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.