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Finding the Fourth Proportional to 76,184.70, 105,119.94 and 42,191.52

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Solution

The fourth proportional to 76,184.70, 105,119.94 and 42,191.52 is: 58,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184.70 : 105,119.94 = 42,191.52 : x
  2. Step 2: Convert to fraction form
    76,184.70/105,119.94 = 42,191.52/x
  3. Step 3: Cross multiply
    76,184.70x = 105,119.94 × 42,191.52
  4. Step 4: Simplify right side
    76,184.70x = 4,435,170,050.91
  5. Step 5: Solve for x
    x = 4,435,170,050.91/76,184.70
  6. Step 6: Final answer
    x = 58,216.02

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