Home / 109,112.44-150,562.94-61,364.78

Finding the Fourth Proportional to 109,112.44, 150,562.94 and 61,364.78

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Solution

The fourth proportional to 109,112.44, 150,562.94 and 61,364.78 is: 84,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.44 : 150,562.94 = 61,364.78 : x
  2. Step 2: Convert to fraction form
    109,112.44/150,562.94 = 61,364.78/x
  3. Step 3: Cross multiply
    109,112.44x = 150,562.94 × 61,364.78
  4. Step 4: Simplify right side
    109,112.44x = 9,239,261,689.25
  5. Step 5: Solve for x
    x = 9,239,261,689.25/109,112.44
  6. Step 6: Final answer
    x = 84,676.52

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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.