Home / 258,733.14-388,161.96-109,016.25

Finding the Fourth Proportional to 258,733.14, 388,161.96 and 109,016.25

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Solution

The fourth proportional to 258,733.14, 388,161.96 and 109,016.25 is: 163,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,733.14 : 388,161.96 = 109,016.25 : x
  2. Step 2: Convert to fraction form
    258,733.14/388,161.96 = 109,016.25/x
  3. Step 3: Cross multiply
    258,733.14x = 388,161.96 × 109,016.25
  4. Step 4: Simplify right side
    258,733.14x = 42,315,961,271.85
  5. Step 5: Solve for x
    x = 42,315,961,271.85/258,733.14
  6. Step 6: Final answer
    x = 163,550.60

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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.