Home / 231,795.80-319,841.66-135,015.59

Finding the Fourth Proportional to 231,795.80, 319,841.66 and 135,015.59

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Solution

The fourth proportional to 231,795.80, 319,841.66 and 135,015.59 is: 186,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,795.80 : 319,841.66 = 135,015.59 : x
  2. Step 2: Convert to fraction form
    231,795.80/319,841.66 = 135,015.59/x
  3. Step 3: Cross multiply
    231,795.80x = 319,841.66 × 135,015.59
  4. Step 4: Simplify right side
    231,795.80x = 43,183,609,169.81
  5. Step 5: Solve for x
    x = 43,183,609,169.81/231,795.80
  6. Step 6: Final answer
    x = 186,300.22

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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.