Home / 263,628.82-363,805.96-142,767.34

Finding the Fourth Proportional to 263,628.82, 363,805.96 and 142,767.34

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Solution

The fourth proportional to 263,628.82, 363,805.96 and 142,767.34 is: 197,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,628.82 : 363,805.96 = 142,767.34 : x
  2. Step 2: Convert to fraction form
    263,628.82/363,805.96 = 142,767.34/x
  3. Step 3: Cross multiply
    263,628.82x = 363,805.96 × 142,767.34
  4. Step 4: Simplify right side
    263,628.82x = 51,939,609,283.19
  5. Step 5: Solve for x
    x = 51,939,609,283.19/263,628.82
  6. Step 6: Final answer
    x = 197,017.95

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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.