Home / 99,021.12-148,596.48-91,011.84

Finding the Fourth Proportional to 99,021.12, 148,596.48 and 91,011.84

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Solution

The fourth proportional to 99,021.12, 148,596.48 and 91,011.84 is: 136,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,021.12 : 148,596.48 = 91,011.84 : x
  2. Step 2: Convert to fraction form
    99,021.12/148,596.48 = 91,011.84/x
  3. Step 3: Cross multiply
    99,021.12x = 148,596.48 × 91,011.84
  4. Step 4: Simplify right side
    99,021.12x = 13,524,039,062.32
  5. Step 5: Solve for x
    x = 13,524,039,062.32/99,021.12
  6. Step 6: Final answer
    x = 136,577.32

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