Home / 263,695.06-363,899.26-142,836

Finding the Fourth Proportional to 263,695.06, 363,899.26 and 142,836

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Solution

The fourth proportional to 263,695.06, 363,899.26 and 142,836 is: 197,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,695.06 : 363,899.26 = 142,836 : x
  2. Step 2: Convert to fraction form
    263,695.06/363,899.26 = 142,836/x
  3. Step 3: Cross multiply
    263,695.06x = 363,899.26 × 142,836
  4. Step 4: Simplify right side
    263,695.06x = 51,977,914,701.36
  5. Step 5: Solve for x
    x = 51,977,914,701.36/263,695.06
  6. Step 6: Final answer
    x = 197,113.72

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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.