Home / 263,820.75-364,071.71-142,965

Finding the Fourth Proportional to 263,820.75, 364,071.71 and 142,965

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Solution

The fourth proportional to 263,820.75, 364,071.71 and 142,965 is: 197,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,820.75 : 364,071.71 = 142,965 : x
  2. Step 2: Convert to fraction form
    263,820.75/364,071.71 = 142,965/x
  3. Step 3: Cross multiply
    263,820.75x = 364,071.71 × 142,965
  4. Step 4: Simplify right side
    263,820.75x = 52,049,512,377.56
  5. Step 5: Solve for x
    x = 52,049,512,377.56/263,820.75
  6. Step 6: Final answer
    x = 197,291.20

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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.