Home / 158,791.25-238,248.98-69,982.31

Finding the Fourth Proportional to 158,791.25, 238,248.98 and 69,982.31

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Solution

The fourth proportional to 158,791.25, 238,248.98 and 69,982.31 is: 105,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,791.25 : 238,248.98 = 69,982.31 : x
  2. Step 2: Convert to fraction form
    158,791.25/238,248.98 = 69,982.31/x
  3. Step 3: Cross multiply
    158,791.25x = 238,248.98 × 69,982.31
  4. Step 4: Simplify right side
    158,791.25x = 16,673,213,975.54
  5. Step 5: Solve for x
    x = 16,673,213,975.54/158,791.25
  6. Step 6: Final answer
    x = 105,000.84

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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.