Home / 147,744.50-203,887.41-80,676.50

Finding the Fourth Proportional to 147,744.50, 203,887.41 and 80,676.50

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Solution

The fourth proportional to 147,744.50, 203,887.41 and 80,676.50 is: 111,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.50 : 203,887.41 = 80,676.50 : x
  2. Step 2: Convert to fraction form
    147,744.50/203,887.41 = 80,676.50/x
  3. Step 3: Cross multiply
    147,744.50x = 203,887.41 × 80,676.50
  4. Step 4: Simplify right side
    147,744.50x = 16,448,922,632.87
  5. Step 5: Solve for x
    x = 16,448,922,632.87/147,744.50
  6. Step 6: Final answer
    x = 111,333.57

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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.