Home / 112,828.05-155,704.55-61,845.68

Finding the Fourth Proportional to 112,828.05, 155,704.55 and 61,845.68

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Solution

The fourth proportional to 112,828.05, 155,704.55 and 61,845.68 is: 85,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,828.05 : 155,704.55 = 61,845.68 : x
  2. Step 2: Convert to fraction form
    112,828.05/155,704.55 = 61,845.68/x
  3. Step 3: Cross multiply
    112,828.05x = 155,704.55 × 61,845.68
  4. Step 4: Simplify right side
    112,828.05x = 9,629,653,149.94
  5. Step 5: Solve for x
    x = 9,629,653,149.94/112,828.05
  6. Step 6: Final answer
    x = 85,348.04

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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.