Home / 89,201.88-123,096.75-55,201.32

Finding the Fourth Proportional to 89,201.88, 123,096.75 and 55,201.32

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Solution

The fourth proportional to 89,201.88, 123,096.75 and 55,201.32 is: 76,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,201.88 : 123,096.75 = 55,201.32 : x
  2. Step 2: Convert to fraction form
    89,201.88/123,096.75 = 55,201.32/x
  3. Step 3: Cross multiply
    89,201.88x = 123,096.75 × 55,201.32
  4. Step 4: Simplify right side
    89,201.88x = 6,795,103,087.71
  5. Step 5: Solve for x
    x = 6,795,103,087.71/89,201.88
  6. Step 6: Final answer
    x = 76,176.68

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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.