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Finding the Fourth Proportional to 194,988.96, 292,502.64 and 81,113.40

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Solution

The fourth proportional to 194,988.96, 292,502.64 and 81,113.40 is: 121,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,988.96 : 292,502.64 = 81,113.40 : x
  2. Step 2: Convert to fraction form
    194,988.96/292,502.64 = 81,113.40/x
  3. Step 3: Cross multiply
    194,988.96x = 292,502.64 × 81,113.40
  4. Step 4: Simplify right side
    194,988.96x = 23,725,883,639.38
  5. Step 5: Solve for x
    x = 23,725,883,639.38/194,988.96
  6. Step 6: Final answer
    x = 121,678.09

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