Home / 76,430.12-113,870.37-72,665.84

Finding the Fourth Proportional to 76,430.12, 113,870.37 and 72,665.84

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Solution

The fourth proportional to 76,430.12, 113,870.37 and 72,665.84 is: 108,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,430.12 : 113,870.37 = 72,665.84 : x
  2. Step 2: Convert to fraction form
    76,430.12/113,870.37 = 72,665.84/x
  3. Step 3: Cross multiply
    76,430.12x = 113,870.37 × 72,665.84
  4. Step 4: Simplify right side
    76,430.12x = 8,274,486,644.33
  5. Step 5: Solve for x
    x = 8,274,486,644.33/76,430.12
  6. Step 6: Final answer
    x = 108,262.12

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