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Finding the Fourth Proportional to 191,309.62, 286,701.92 and 121,063.18

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Solution

The fourth proportional to 191,309.62, 286,701.92 and 121,063.18 is: 181,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,309.62 : 286,701.92 = 121,063.18 : x
  2. Step 2: Convert to fraction form
    191,309.62/286,701.92 = 121,063.18/x
  3. Step 3: Cross multiply
    191,309.62x = 286,701.92 × 121,063.18
  4. Step 4: Simplify right side
    191,309.62x = 34,709,046,147.31
  5. Step 5: Solve for x
    x = 34,709,046,147.31/191,309.62
  6. Step 6: Final answer
    x = 181,428.65

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