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Finding the Fourth Proportional to 90,803.12, 136,332.24 and 46,461.68

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Solution

The fourth proportional to 90,803.12, 136,332.24 and 46,461.68 is: 69,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.12 : 136,332.24 = 46,461.68 : x
  2. Step 2: Convert to fraction form
    90,803.12/136,332.24 = 46,461.68/x
  3. Step 3: Cross multiply
    90,803.12x = 136,332.24 × 46,461.68
  4. Step 4: Simplify right side
    90,803.12x = 6,334,224,908.56
  5. Step 5: Solve for x
    x = 6,334,224,908.56/90,803.12
  6. Step 6: Final answer
    x = 69,757.79

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