Home / 103,976.97-155,965.42-40,826.85

Finding the Fourth Proportional to 103,976.97, 155,965.42 and 40,826.85

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Solution

The fourth proportional to 103,976.97, 155,965.42 and 40,826.85 is: 61,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,976.97 : 155,965.42 = 40,826.85 : x
  2. Step 2: Convert to fraction form
    103,976.97/155,965.42 = 40,826.85/x
  3. Step 3: Cross multiply
    103,976.97x = 155,965.42 × 40,826.85
  4. Step 4: Simplify right side
    103,976.97x = 6,367,576,807.53
  5. Step 5: Solve for x
    x = 6,367,576,807.53/103,976.97
  6. Step 6: Final answer
    x = 61,240.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.