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Finding the Fourth Proportional to 131,459.70, 197,211.15 and 56,615.70

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Solution

The fourth proportional to 131,459.70, 197,211.15 and 56,615.70 is: 84,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,459.70 : 197,211.15 = 56,615.70 : x
  2. Step 2: Convert to fraction form
    131,459.70/197,211.15 = 56,615.70/x
  3. Step 3: Cross multiply
    131,459.70x = 197,211.15 × 56,615.70
  4. Step 4: Simplify right side
    131,459.70x = 11,165,247,305.06
  5. Step 5: Solve for x
    x = 11,165,247,305.06/131,459.70
  6. Step 6: Final answer
    x = 84,932.85

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