Home / 263,709.07-363,920.27-142,850.36

Finding the Fourth Proportional to 263,709.07, 363,920.27 and 142,850.36

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Solution

The fourth proportional to 263,709.07, 363,920.27 and 142,850.36 is: 197,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,709.07 : 363,920.27 = 142,850.36 : x
  2. Step 2: Convert to fraction form
    263,709.07/363,920.27 = 142,850.36/x
  3. Step 3: Cross multiply
    263,709.07x = 363,920.27 × 142,850.36
  4. Step 4: Simplify right side
    263,709.07x = 51,986,141,776.35
  5. Step 5: Solve for x
    x = 51,986,141,776.35/263,709.07
  6. Step 6: Final answer
    x = 197,134.45

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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.