Home / 180,541.45-270,790.30-91,858.60

Finding the Fourth Proportional to 180,541.45, 270,790.30 and 91,858.60

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Solution

The fourth proportional to 180,541.45, 270,790.30 and 91,858.60 is: 137,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,541.45 : 270,790.30 = 91,858.60 : x
  2. Step 2: Convert to fraction form
    180,541.45/270,790.30 = 91,858.60/x
  3. Step 3: Cross multiply
    180,541.45x = 270,790.30 × 91,858.60
  4. Step 4: Simplify right side
    180,541.45x = 24,874,416,944.96
  5. Step 5: Solve for x
    x = 24,874,416,944.96/180,541.45
  6. Step 6: Final answer
    x = 137,776.77

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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.