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Finding the Fourth Proportional to 181,710.60, 272,565.90 and 102,978.60

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Solution

The fourth proportional to 181,710.60, 272,565.90 and 102,978.60 is: 154,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,710.60 : 272,565.90 = 102,978.60 : x
  2. Step 2: Convert to fraction form
    181,710.60/272,565.90 = 102,978.60/x
  3. Step 3: Cross multiply
    181,710.60x = 272,565.90 × 102,978.60
  4. Step 4: Simplify right side
    181,710.60x = 28,068,454,789.74
  5. Step 5: Solve for x
    x = 28,068,454,789.74/181,710.60
  6. Step 6: Final answer
    x = 154,467.90

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