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Finding the Fourth Proportional to 113,886.30, 170,830.06 and 74,691.62

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Solution

The fourth proportional to 113,886.30, 170,830.06 and 74,691.62 is: 112,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886.30 : 170,830.06 = 74,691.62 : x
  2. Step 2: Convert to fraction form
    113,886.30/170,830.06 = 74,691.62/x
  3. Step 3: Cross multiply
    113,886.30x = 170,830.06 × 74,691.62
  4. Step 4: Simplify right side
    113,886.30x = 12,759,572,698.49
  5. Step 5: Solve for x
    x = 12,759,572,698.49/113,886.30
  6. Step 6: Final answer
    x = 112,037.82

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