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Finding the Fourth Proportional to 185,897.92, 256,518.31 and 105,308.19

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Solution

The fourth proportional to 185,897.92, 256,518.31 and 105,308.19 is: 145,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,897.92 : 256,518.31 = 105,308.19 : x
  2. Step 2: Convert to fraction form
    185,897.92/256,518.31 = 105,308.19/x
  3. Step 3: Cross multiply
    185,897.92x = 256,518.31 × 105,308.19
  4. Step 4: Simplify right side
    185,897.92x = 27,013,478,927.96
  5. Step 5: Solve for x
    x = 27,013,478,927.96/185,897.92
  6. Step 6: Final answer
    x = 145,313.51

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