Home / 263,415.50-363,513.30-142,556.72

Finding the Fourth Proportional to 263,415.50, 363,513.30 and 142,556.72

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Solution

The fourth proportional to 263,415.50, 363,513.30 and 142,556.72 is: 196,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,415.50 : 363,513.30 = 142,556.72 : x
  2. Step 2: Convert to fraction form
    263,415.50/363,513.30 = 142,556.72/x
  3. Step 3: Cross multiply
    263,415.50x = 363,513.30 × 142,556.72
  4. Step 4: Simplify right side
    263,415.50x = 51,821,263,724.38
  5. Step 5: Solve for x
    x = 51,821,263,724.38/263,415.50
  6. Step 6: Final answer
    x = 196,728.22

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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.