Home / 207,867.30-286,849.89-131,427.54

Finding the Fourth Proportional to 207,867.30, 286,849.89 and 131,427.54

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Solution

The fourth proportional to 207,867.30, 286,849.89 and 131,427.54 is: 181,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,867.30 : 286,849.89 = 131,427.54 : x
  2. Step 2: Convert to fraction form
    207,867.30/286,849.89 = 131,427.54/x
  3. Step 3: Cross multiply
    207,867.30x = 286,849.89 × 131,427.54
  4. Step 4: Simplify right side
    207,867.30x = 37,699,975,391.97
  5. Step 5: Solve for x
    x = 37,699,975,391.97/207,867.30
  6. Step 6: Final answer
    x = 181,365.59

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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.