Home / 263,566.89-363,720.77-142,705.68

Finding the Fourth Proportional to 263,566.89, 363,720.77 and 142,705.68

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Solution

The fourth proportional to 263,566.89, 363,720.77 and 142,705.68 is: 196,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,566.89 : 363,720.77 = 142,705.68 : x
  2. Step 2: Convert to fraction form
    263,566.89/363,720.77 = 142,705.68/x
  3. Step 3: Cross multiply
    263,566.89x = 363,720.77 × 142,705.68
  4. Step 4: Simplify right side
    263,566.89x = 51,905,019,812.97
  5. Step 5: Solve for x
    x = 51,905,019,812.97/263,566.89
  6. Step 6: Final answer
    x = 196,933.01

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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.