Home / 265,880.07-366,918.82-145,021.32

Finding the Fourth Proportional to 265,880.07, 366,918.82 and 145,021.32

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Solution

The fourth proportional to 265,880.07, 366,918.82 and 145,021.32 is: 200,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,880.07 : 366,918.82 = 145,021.32 : x
  2. Step 2: Convert to fraction form
    265,880.07/366,918.82 = 145,021.32/x
  3. Step 3: Cross multiply
    265,880.07x = 366,918.82 × 145,021.32
  4. Step 4: Simplify right side
    265,880.07x = 53,211,051,609.24
  5. Step 5: Solve for x
    x = 53,211,051,609.24/265,880.07
  6. Step 6: Final answer
    x = 200,131.78

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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.