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Finding the Fourth Proportional to 104,381.70, 156,572.55 and 45,332.70

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Solution

The fourth proportional to 104,381.70, 156,572.55 and 45,332.70 is: 67,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.70 : 156,572.55 = 45,332.70 : x
  2. Step 2: Convert to fraction form
    104,381.70/156,572.55 = 45,332.70/x
  3. Step 3: Cross multiply
    104,381.70x = 156,572.55 × 45,332.70
  4. Step 4: Simplify right side
    104,381.70x = 7,097,856,437.39
  5. Step 5: Solve for x
    x = 7,097,856,437.39/104,381.70
  6. Step 6: Final answer
    x = 67,999.05

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