Home / 263,542.07-363,687.89-142,684.40

Finding the Fourth Proportional to 263,542.07, 363,687.89 and 142,684.40

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Solution

The fourth proportional to 263,542.07, 363,687.89 and 142,684.40 is: 196,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,542.07 : 363,687.89 = 142,684.40 : x
  2. Step 2: Convert to fraction form
    263,542.07/363,687.89 = 142,684.40/x
  3. Step 3: Cross multiply
    263,542.07x = 363,687.89 × 142,684.40
  4. Step 4: Simplify right side
    263,542.07x = 51,892,585,840.05
  5. Step 5: Solve for x
    x = 51,892,585,840.05/263,542.07
  6. Step 6: Final answer
    x = 196,904.38

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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.