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Finding the Fourth Proportional to 113,037.20, 169,555.80 and 65,733.20

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Solution

The fourth proportional to 113,037.20, 169,555.80 and 65,733.20 is: 98,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,037.20 : 169,555.80 = 65,733.20 : x
  2. Step 2: Convert to fraction form
    113,037.20/169,555.80 = 65,733.20/x
  3. Step 3: Cross multiply
    113,037.20x = 169,555.80 × 65,733.20
  4. Step 4: Simplify right side
    113,037.20x = 11,145,445,312.56
  5. Step 5: Solve for x
    x = 11,145,445,312.56/113,037.20
  6. Step 6: Final answer
    x = 98,599.80

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