Home / 209,285.64-313,770.37-107,975.16

Finding the Fourth Proportional to 209,285.64, 313,770.37 and 107,975.16

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Solution

The fourth proportional to 209,285.64, 313,770.37 and 107,975.16 is: 161,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,285.64 : 313,770.37 = 107,975.16 : x
  2. Step 2: Convert to fraction form
    209,285.64/313,770.37 = 107,975.16/x
  3. Step 3: Cross multiply
    209,285.64x = 313,770.37 × 107,975.16
  4. Step 4: Simplify right side
    209,285.64x = 33,879,403,795.28
  5. Step 5: Solve for x
    x = 33,879,403,795.28/209,285.64
  6. Step 6: Final answer
    x = 161,881.17

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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.