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Finding the Fourth Proportional to 147,411.98, 203,403.02 and 86,978.06

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Solution

The fourth proportional to 147,411.98, 203,403.02 and 86,978.06 is: 120,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,411.98 : 203,403.02 = 86,978.06 : x
  2. Step 2: Convert to fraction form
    147,411.98/203,403.02 = 86,978.06/x
  3. Step 3: Cross multiply
    147,411.98x = 203,403.02 × 86,978.06
  4. Step 4: Simplify right side
    147,411.98x = 17,691,600,077.74
  5. Step 5: Solve for x
    x = 17,691,600,077.74/147,411.98
  6. Step 6: Final answer
    x = 120,014.67

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