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Finding the Fourth Proportional to 120,988.83, 181,325.56 and 61,774.59

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Solution

The fourth proportional to 120,988.83, 181,325.56 and 61,774.59 is: 92,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,988.83 : 181,325.56 = 61,774.59 : x
  2. Step 2: Convert to fraction form
    120,988.83/181,325.56 = 61,774.59/x
  3. Step 3: Cross multiply
    120,988.83x = 181,325.56 × 61,774.59
  4. Step 4: Simplify right side
    120,988.83x = 11,201,312,125.52
  5. Step 5: Solve for x
    x = 11,201,312,125.52/120,988.83
  6. Step 6: Final answer
    x = 92,581.37

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