Home / 336,782.23-505,254.08-112,144.73

Finding the Fourth Proportional to 336,782.23, 505,254.08 and 112,144.73

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Solution

The fourth proportional to 336,782.23, 505,254.08 and 112,144.73 is: 168,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,782.23 : 505,254.08 = 112,144.73 : x
  2. Step 2: Convert to fraction form
    336,782.23/505,254.08 = 112,144.73/x
  3. Step 3: Cross multiply
    336,782.23x = 505,254.08 × 112,144.73
  4. Step 4: Simplify right side
    336,782.23x = 56,661,580,137.09
  5. Step 5: Solve for x
    x = 56,661,580,137.09/336,782.23
  6. Step 6: Final answer
    x = 168,243.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.