Home / 103,975.97-155,963.93-40,825.85

Finding the Fourth Proportional to 103,975.97, 155,963.93 and 40,825.85

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Solution

The fourth proportional to 103,975.97, 155,963.93 and 40,825.85 is: 61,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,975.97 : 155,963.93 = 40,825.85 : x
  2. Step 2: Convert to fraction form
    103,975.97/155,963.93 = 40,825.85/x
  3. Step 3: Cross multiply
    103,975.97x = 155,963.93 × 40,825.85
  4. Step 4: Simplify right side
    103,975.97x = 6,367,359,027.64
  5. Step 5: Solve for x
    x = 6,367,359,027.64/103,975.97
  6. Step 6: Final answer
    x = 61,238.76

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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.