Home / 263,299.23-363,351.42-142,440.15

Finding the Fourth Proportional to 263,299.23, 363,351.42 and 142,440.15

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Solution

The fourth proportional to 263,299.23, 363,351.42 and 142,440.15 is: 196,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,299.23 : 363,351.42 = 142,440.15 : x
  2. Step 2: Convert to fraction form
    263,299.23/363,351.42 = 142,440.15/x
  3. Step 3: Cross multiply
    263,299.23x = 363,351.42 × 142,440.15
  4. Step 4: Simplify right side
    263,299.23x = 51,755,830,767.51
  5. Step 5: Solve for x
    x = 51,755,830,767.51/263,299.23
  6. Step 6: Final answer
    x = 196,566.59

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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.