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Finding the Fourth Proportional to 169,674.18, 254,123.68 and 80,990.10

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Solution

The fourth proportional to 169,674.18, 254,123.68 and 80,990.10 is: 121,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,674.18 : 254,123.68 = 80,990.10 : x
  2. Step 2: Convert to fraction form
    169,674.18/254,123.68 = 80,990.10/x
  3. Step 3: Cross multiply
    169,674.18x = 254,123.68 × 80,990.10
  4. Step 4: Simplify right side
    169,674.18x = 20,581,502,255.57
  5. Step 5: Solve for x
    x = 20,581,502,255.57/169,674.18
  6. Step 6: Final answer
    x = 121,300.14

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