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Finding the Fourth Proportional to 127,806.80, 176,370.62 and 74,101.37

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Solution

The fourth proportional to 127,806.80, 176,370.62 and 74,101.37 is: 102,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.80 : 176,370.62 = 74,101.37 : x
  2. Step 2: Convert to fraction form
    127,806.80/176,370.62 = 74,101.37/x
  3. Step 3: Cross multiply
    127,806.80x = 176,370.62 × 74,101.37
  4. Step 4: Simplify right side
    127,806.80x = 13,069,303,317.39
  5. Step 5: Solve for x
    x = 13,069,303,317.39/127,806.80
  6. Step 6: Final answer
    x = 102,258.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.