Home / 262,979.86-362,912.31-142,121.11

Finding the Fourth Proportional to 262,979.86, 362,912.31 and 142,121.11

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Solution

The fourth proportional to 262,979.86, 362,912.31 and 142,121.11 is: 196,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,979.86 : 362,912.31 = 142,121.11 : x
  2. Step 2: Convert to fraction form
    262,979.86/362,912.31 = 142,121.11/x
  3. Step 3: Cross multiply
    262,979.86x = 362,912.31 × 142,121.11
  4. Step 4: Simplify right side
    262,979.86x = 51,577,500,329.86
  5. Step 5: Solve for x
    x = 51,577,500,329.86/262,979.86
  6. Step 6: Final answer
    x = 196,127.19

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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.