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Finding the Fourth Proportional to 176,430.80, 264,646.20 and 76,638.80

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Solution

The fourth proportional to 176,430.80, 264,646.20 and 76,638.80 is: 114,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,430.80 : 264,646.20 = 76,638.80 : x
  2. Step 2: Convert to fraction form
    176,430.80/264,646.20 = 76,638.80/x
  3. Step 3: Cross multiply
    176,430.80x = 264,646.20 × 76,638.80
  4. Step 4: Simplify right side
    176,430.80x = 20,282,167,192.56
  5. Step 5: Solve for x
    x = 20,282,167,192.56/176,430.80
  6. Step 6: Final answer
    x = 114,958.20

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