Home / 192,025.35-264,993.93-107,142.21

Finding the Fourth Proportional to 192,025.35, 264,993.93 and 107,142.21

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Solution

The fourth proportional to 192,025.35, 264,993.93 and 107,142.21 is: 147,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,025.35 : 264,993.93 = 107,142.21 : x
  2. Step 2: Convert to fraction form
    192,025.35/264,993.93 = 107,142.21/x
  3. Step 3: Cross multiply
    192,025.35x = 264,993.93 × 107,142.21
  4. Step 4: Simplify right side
    192,025.35x = 28,392,035,296.79
  5. Step 5: Solve for x
    x = 28,392,035,296.79/192,025.35
  6. Step 6: Final answer
    x = 147,855.66

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1.5x scale

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.