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Finding the Fourth Proportional to 117,601.76, 162,357.66 and 77,432.24

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Solution

The fourth proportional to 117,601.76, 162,357.66 and 77,432.24 is: 106,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.76 : 162,357.66 = 77,432.24 : x
  2. Step 2: Convert to fraction form
    117,601.76/162,357.66 = 77,432.24/x
  3. Step 3: Cross multiply
    117,601.76x = 162,357.66 × 77,432.24
  4. Step 4: Simplify right side
    117,601.76x = 12,571,716,483.17
  5. Step 5: Solve for x
    x = 12,571,716,483.17/117,601.76
  6. Step 6: Final answer
    x = 106,900.76

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