Home / 112,778.37-155,634.08-61,794.41

Finding the Fourth Proportional to 112,778.37, 155,634.08 and 61,794.41

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Solution

The fourth proportional to 112,778.37, 155,634.08 and 61,794.41 is: 85,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.37 : 155,634.08 = 61,794.41 : x
  2. Step 2: Convert to fraction form
    112,778.37/155,634.08 = 61,794.41/x
  3. Step 3: Cross multiply
    112,778.37x = 155,634.08 × 61,794.41
  4. Step 4: Simplify right side
    112,778.37x = 9,617,315,062.35
  5. Step 5: Solve for x
    x = 9,617,315,062.35/112,778.37
  6. Step 6: Final answer
    x = 85,276.24

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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.