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Finding the Fourth Proportional to 111,158.45, 153,487.07 and 102,657.46

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Solution

The fourth proportional to 111,158.45, 153,487.07 and 102,657.46 is: 141,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,158.45 : 153,487.07 = 102,657.46 : x
  2. Step 2: Convert to fraction form
    111,158.45/153,487.07 = 102,657.46/x
  3. Step 3: Cross multiply
    111,158.45x = 153,487.07 × 102,657.46
  4. Step 4: Simplify right side
    111,158.45x = 15,756,592,749.04
  5. Step 5: Solve for x
    x = 15,756,592,749.04/111,158.45
  6. Step 6: Final answer
    x = 141,748.94

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