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Finding the Fourth Proportional to 97,848.64, 135,031.64 and 55,415.44

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Solution

The fourth proportional to 97,848.64, 135,031.64 and 55,415.44 is: 76,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,848.64 : 135,031.64 = 55,415.44 : x
  2. Step 2: Convert to fraction form
    97,848.64/135,031.64 = 55,415.44/x
  3. Step 3: Cross multiply
    97,848.64x = 135,031.64 × 55,415.44
  4. Step 4: Simplify right side
    97,848.64x = 7,482,837,744.52
  5. Step 5: Solve for x
    x = 7,482,837,744.52/97,848.64
  6. Step 6: Final answer
    x = 76,473.60

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