Home / 112,928.73-169,097.18-79,467.63

Finding the Fourth Proportional to 112,928.73, 169,097.18 and 79,467.63

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Solution

The fourth proportional to 112,928.73, 169,097.18 and 79,467.63 is: 118,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928.73 : 169,097.18 = 79,467.63 : x
  2. Step 2: Convert to fraction form
    112,928.73/169,097.18 = 79,467.63/x
  3. Step 3: Cross multiply
    112,928.73x = 169,097.18 × 79,467.63
  4. Step 4: Simplify right side
    112,928.73x = 13,437,751,736.95
  5. Step 5: Solve for x
    x = 13,437,751,736.95/112,928.73
  6. Step 6: Final answer
    x = 118,993.21

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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.