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Finding the Fourth Proportional to 191,947.40, 287,678.10 and 73,460.60

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Solution

The fourth proportional to 191,947.40, 287,678.10 and 73,460.60 is: 110,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,947.40 : 287,678.10 = 73,460.60 : x
  2. Step 2: Convert to fraction form
    191,947.40/287,678.10 = 73,460.60/x
  3. Step 3: Cross multiply
    191,947.40x = 287,678.10 × 73,460.60
  4. Step 4: Simplify right side
    191,947.40x = 21,133,005,832.86
  5. Step 5: Solve for x
    x = 21,133,005,832.86/191,947.40
  6. Step 6: Final answer
    x = 110,097.90

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