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Finding the Fourth Proportional to 111,529.40, 167,294.10 and 102,543.80

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Solution

The fourth proportional to 111,529.40, 167,294.10 and 102,543.80 is: 153,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,529.40 : 167,294.10 = 102,543.80 : x
  2. Step 2: Convert to fraction form
    111,529.40/167,294.10 = 102,543.80/x
  3. Step 3: Cross multiply
    111,529.40x = 167,294.10 × 102,543.80
  4. Step 4: Simplify right side
    111,529.40x = 17,154,972,731.58
  5. Step 5: Solve for x
    x = 17,154,972,731.58/111,529.40
  6. Step 6: Final answer
    x = 153,815.70

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