Home / 209,326.48-288,872.78-113,833.86

Finding the Fourth Proportional to 209,326.48, 288,872.78 and 113,833.86

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Solution

The fourth proportional to 209,326.48, 288,872.78 and 113,833.86 is: 157,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,326.48 : 288,872.78 = 113,833.86 : x
  2. Step 2: Convert to fraction form
    209,326.48/288,872.78 = 113,833.86/x
  3. Step 3: Cross multiply
    209,326.48x = 288,872.78 × 113,833.86
  4. Step 4: Simplify right side
    209,326.48x = 32,883,502,584.20
  5. Step 5: Solve for x
    x = 32,883,502,584.20/209,326.48
  6. Step 6: Final answer
    x = 157,091.94

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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.