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Finding the Fourth Proportional to 207,777.55, 286,715.82 and 117,155.76

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Solution

The fourth proportional to 207,777.55, 286,715.82 and 117,155.76 is: 161,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,777.55 : 286,715.82 = 117,155.76 : x
  2. Step 2: Convert to fraction form
    207,777.55/286,715.82 = 117,155.76/x
  3. Step 3: Cross multiply
    207,777.55x = 286,715.82 × 117,155.76
  4. Step 4: Simplify right side
    207,777.55x = 33,590,409,210.34
  5. Step 5: Solve for x
    x = 33,590,409,210.34/207,777.55
  6. Step 6: Final answer
    x = 161,665.25

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