Home / 122,466.09-168,973.61-71,449.70

Finding the Fourth Proportional to 122,466.09, 168,973.61 and 71,449.70

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Solution

The fourth proportional to 122,466.09, 168,973.61 and 71,449.70 is: 98,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,466.09 : 168,973.61 = 71,449.70 : x
  2. Step 2: Convert to fraction form
    122,466.09/168,973.61 = 71,449.70/x
  3. Step 3: Cross multiply
    122,466.09x = 168,973.61 × 71,449.70
  4. Step 4: Simplify right side
    122,466.09x = 12,073,112,942.21
  5. Step 5: Solve for x
    x = 12,073,112,942.21/122,466.09
  6. Step 6: Final answer
    x = 98,583.31

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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.