Home / 180,137.63-270,196.70-91,388.83

Finding the Fourth Proportional to 180,137.63, 270,196.70 and 91,388.83

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Solution

The fourth proportional to 180,137.63, 270,196.70 and 91,388.83 is: 137,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,137.63 : 270,196.70 = 91,388.83 : x
  2. Step 2: Convert to fraction form
    180,137.63/270,196.70 = 91,388.83/x
  3. Step 3: Cross multiply
    180,137.63x = 270,196.70 × 91,388.83
  4. Step 4: Simplify right side
    180,137.63x = 24,692,959,150.43
  5. Step 5: Solve for x
    x = 24,692,959,150.43/180,137.63
  6. Step 6: Final answer
    x = 137,078.30

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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.