Home / 263,566.90-363,720.78-142,705.68

Finding the Fourth Proportional to 263,566.90, 363,720.78 and 142,705.68

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Solution

The fourth proportional to 263,566.90, 363,720.78 and 142,705.68 is: 196,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,566.90 : 363,720.78 = 142,705.68 : x
  2. Step 2: Convert to fraction form
    263,566.90/363,720.78 = 142,705.68/x
  3. Step 3: Cross multiply
    263,566.90x = 363,720.78 × 142,705.68
  4. Step 4: Simplify right side
    263,566.90x = 51,905,021,240.03
  5. Step 5: Solve for x
    x = 51,905,021,240.03/263,566.90
  6. Step 6: Final answer
    x = 196,933.00

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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.