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Finding the Fourth Proportional to 190,809.15, 286,221.51 and 48,658.11

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Solution

The fourth proportional to 190,809.15, 286,221.51 and 48,658.11 is: 72,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,809.15 : 286,221.51 = 48,658.11 : x
  2. Step 2: Convert to fraction form
    190,809.15/286,221.51 = 48,658.11/x
  3. Step 3: Cross multiply
    190,809.15x = 286,221.51 × 48,658.11
  4. Step 4: Simplify right side
    190,809.15x = 13,926,997,474.66
  5. Step 5: Solve for x
    x = 13,926,997,474.66/190,809.15
  6. Step 6: Final answer
    x = 72,989.15

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