Home / 135,662.06-187,201.35-75,232.50

Finding the Fourth Proportional to 135,662.06, 187,201.35 and 75,232.50

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Solution

The fourth proportional to 135,662.06, 187,201.35 and 75,232.50 is: 103,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,662.06 : 187,201.35 = 75,232.50 : x
  2. Step 2: Convert to fraction form
    135,662.06/187,201.35 = 75,232.50/x
  3. Step 3: Cross multiply
    135,662.06x = 187,201.35 × 75,232.50
  4. Step 4: Simplify right side
    135,662.06x = 14,083,625,563.88
  5. Step 5: Solve for x
    x = 14,083,625,563.88/135,662.06
  6. Step 6: Final answer
    x = 103,814.04

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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.