Home / 263,485.08-363,609.62-142,625.98

Finding the Fourth Proportional to 263,485.08, 363,609.62 and 142,625.98

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Solution

The fourth proportional to 263,485.08, 363,609.62 and 142,625.98 is: 196,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,485.08 : 363,609.62 = 142,625.98 : x
  2. Step 2: Convert to fraction form
    263,485.08/363,609.62 = 142,625.98/x
  3. Step 3: Cross multiply
    263,485.08x = 363,609.62 × 142,625.98
  4. Step 4: Simplify right side
    263,485.08x = 51,860,178,389.93
  5. Step 5: Solve for x
    x = 51,860,178,389.93/263,485.08
  6. Step 6: Final answer
    x = 196,823.97

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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.