Home / 263,643.89-363,826.76-142,782.44

Finding the Fourth Proportional to 263,643.89, 363,826.76 and 142,782.44

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Solution

The fourth proportional to 263,643.89, 363,826.76 and 142,782.44 is: 197,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,643.89 : 363,826.76 = 142,782.44 : x
  2. Step 2: Convert to fraction form
    263,643.89/363,826.76 = 142,782.44/x
  3. Step 3: Cross multiply
    263,643.89x = 363,826.76 × 142,782.44
  4. Step 4: Simplify right side
    263,643.89x = 51,948,069,997.05
  5. Step 5: Solve for x
    x = 51,948,069,997.05/263,643.89
  6. Step 6: Final answer
    x = 197,038.78

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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.