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Finding the Fourth Proportional to 119,437.05, 164,828.54 and 74,129.60

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Solution

The fourth proportional to 119,437.05, 164,828.54 and 74,129.60 is: 102,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,437.05 : 164,828.54 = 74,129.60 : x
  2. Step 2: Convert to fraction form
    119,437.05/164,828.54 = 74,129.60/x
  3. Step 3: Cross multiply
    119,437.05x = 164,828.54 × 74,129.60
  4. Step 4: Simplify right side
    119,437.05x = 12,218,672,543.99
  5. Step 5: Solve for x
    x = 12,218,672,543.99/119,437.05
  6. Step 6: Final answer
    x = 102,302.20

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