Home / 180,394.92-248,971.40-103,899.31

Finding the Fourth Proportional to 180,394.92, 248,971.40 and 103,899.31

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Solution

The fourth proportional to 180,394.92, 248,971.40 and 103,899.31 is: 143,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,394.92 : 248,971.40 = 103,899.31 : x
  2. Step 2: Convert to fraction form
    180,394.92/248,971.40 = 103,899.31/x
  3. Step 3: Cross multiply
    180,394.92x = 248,971.40 × 103,899.31
  4. Step 4: Simplify right side
    180,394.92x = 25,867,955,625.21
  5. Step 5: Solve for x
    x = 25,867,955,625.21/180,394.92
  6. Step 6: Final answer
    x = 143,396.25

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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.