Home / 180,319.60-248,819.37-103,863.56

Finding the Fourth Proportional to 180,319.60, 248,819.37 and 103,863.56

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Solution

The fourth proportional to 180,319.60, 248,819.37 and 103,863.56 is: 143,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,319.60 : 248,819.37 = 103,863.56 : x
  2. Step 2: Convert to fraction form
    180,319.60/248,819.37 = 103,863.56/x
  3. Step 3: Cross multiply
    180,319.60x = 248,819.37 × 103,863.56
  4. Step 4: Simplify right side
    180,319.60x = 25,843,265,927.55
  5. Step 5: Solve for x
    x = 25,843,265,927.55/180,319.60
  6. Step 6: Final answer
    x = 143,319.23

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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.