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Finding the Fourth Proportional to 99,079.99, 148,646.81 and 70,652.86

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Solution

The fourth proportional to 99,079.99, 148,646.81 and 70,652.86 is: 105,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079.99 : 148,646.81 = 70,652.86 : x
  2. Step 2: Convert to fraction form
    99,079.99/148,646.81 = 70,652.86/x
  3. Step 3: Cross multiply
    99,079.99x = 148,646.81 × 70,652.86
  4. Step 4: Simplify right side
    99,079.99x = 10,502,322,390.43
  5. Step 5: Solve for x
    x = 10,502,322,390.43/99,079.99
  6. Step 6: Final answer
    x = 105,998.42

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