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Finding the Fourth Proportional to 98,855.92, 136,421.25 and 53,533.95

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Solution

The fourth proportional to 98,855.92, 136,421.25 and 53,533.95 is: 73,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,855.92 : 136,421.25 = 53,533.95 : x
  2. Step 2: Convert to fraction form
    98,855.92/136,421.25 = 53,533.95/x
  3. Step 3: Cross multiply
    98,855.92x = 136,421.25 × 53,533.95
  4. Step 4: Simplify right side
    98,855.92x = 7,303,168,108.77
  5. Step 5: Solve for x
    x = 7,303,168,108.77/98,855.92
  6. Step 6: Final answer
    x = 73,876.89

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