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Finding the Fourth Proportional to 127,785.76, 191,678.64 and 48,924.16

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Solution

The fourth proportional to 127,785.76, 191,678.64 and 48,924.16 is: 73,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,785.76 : 191,678.64 = 48,924.16 : x
  2. Step 2: Convert to fraction form
    127,785.76/191,678.64 = 48,924.16/x
  3. Step 3: Cross multiply
    127,785.76x = 191,678.64 × 48,924.16
  4. Step 4: Simplify right side
    127,785.76x = 9,377,716,451.94
  5. Step 5: Solve for x
    x = 9,377,716,451.94/127,785.76
  6. Step 6: Final answer
    x = 73,386.24

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