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Finding the Fourth Proportional to 162,320.67, 243,530.07 and 78,056.91

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Solution

The fourth proportional to 162,320.67, 243,530.07 and 78,056.91 is: 117,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320.67 : 243,530.07 = 78,056.91 : x
  2. Step 2: Convert to fraction form
    162,320.67/243,530.07 = 78,056.91/x
  3. Step 3: Cross multiply
    162,320.67x = 243,530.07 × 78,056.91
  4. Step 4: Simplify right side
    162,320.67x = 19,009,204,756.28
  5. Step 5: Solve for x
    x = 19,009,204,756.28/162,320.67
  6. Step 6: Final answer
    x = 117,108.96

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