Home / 209,917.96-289,693.62-119,268.55

Finding the Fourth Proportional to 209,917.96, 289,693.62 and 119,268.55

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Solution

The fourth proportional to 209,917.96, 289,693.62 and 119,268.55 is: 164,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,917.96 : 289,693.62 = 119,268.55 : x
  2. Step 2: Convert to fraction form
    209,917.96/289,693.62 = 119,268.55/x
  3. Step 3: Cross multiply
    209,917.96x = 289,693.62 × 119,268.55
  4. Step 4: Simplify right side
    209,917.96x = 34,551,338,001.65
  5. Step 5: Solve for x
    x = 34,551,338,001.65/209,917.96
  6. Step 6: Final answer
    x = 164,594.48

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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.