Home / 192,465.45-288,762.26-121,305.96

Finding the Fourth Proportional to 192,465.45, 288,762.26 and 121,305.96

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Solution

The fourth proportional to 192,465.45, 288,762.26 and 121,305.96 is: 181,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,465.45 : 288,762.26 = 121,305.96 : x
  2. Step 2: Convert to fraction form
    192,465.45/288,762.26 = 121,305.96/x
  3. Step 3: Cross multiply
    192,465.45x = 288,762.26 × 121,305.96
  4. Step 4: Simplify right side
    192,465.45x = 35,028,582,554.54
  5. Step 5: Solve for x
    x = 35,028,582,554.54/192,465.45
  6. Step 6: Final answer
    x = 181,999.33

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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.