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Finding the Fourth Proportional to 97,848.63, 135,031.65 and 55,415.43

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Solution

The fourth proportional to 97,848.63, 135,031.65 and 55,415.43 is: 76,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,848.63 : 135,031.65 = 55,415.43 : x
  2. Step 2: Convert to fraction form
    97,848.63/135,031.65 = 55,415.43/x
  3. Step 3: Cross multiply
    97,848.63x = 135,031.65 × 55,415.43
  4. Step 4: Simplify right side
    97,848.63x = 7,482,836,948.36
  5. Step 5: Solve for x
    x = 7,482,836,948.36/97,848.63
  6. Step 6: Final answer
    x = 76,473.60

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