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Finding the Fourth Proportional to 91,131.38, 136,685.07 and 27,088.16

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Solution

The fourth proportional to 91,131.38, 136,685.07 and 27,088.16 is: 40,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.38 : 136,685.07 = 27,088.16 : x
  2. Step 2: Convert to fraction form
    91,131.38/136,685.07 = 27,088.16/x
  3. Step 3: Cross multiply
    91,131.38x = 136,685.07 × 27,088.16
  4. Step 4: Simplify right side
    91,131.38x = 3,702,547,045.77
  5. Step 5: Solve for x
    x = 3,702,547,045.77/91,131.38
  6. Step 6: Final answer
    x = 40,628.67

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