Home / 122,696.78-169,405.43-93,965.67

Finding the Fourth Proportional to 122,696.78, 169,405.43 and 93,965.67

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Solution

The fourth proportional to 122,696.78, 169,405.43 and 93,965.67 is: 129,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,696.78 : 169,405.43 = 93,965.67 : x
  2. Step 2: Convert to fraction form
    122,696.78/169,405.43 = 93,965.67/x
  3. Step 3: Cross multiply
    122,696.78x = 169,405.43 × 93,965.67
  4. Step 4: Simplify right side
    122,696.78x = 15,918,294,261.76
  5. Step 5: Solve for x
    x = 15,918,294,261.76/122,696.78
  6. Step 6: Final answer
    x = 129,736.86

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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.