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Finding the Fourth Proportional to 130,055.27, 179,495.33 and 76,369.68

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Solution

The fourth proportional to 130,055.27, 179,495.33 and 76,369.68 is: 105,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,055.27 : 179,495.33 = 76,369.68 : x
  2. Step 2: Convert to fraction form
    130,055.27/179,495.33 = 76,369.68/x
  3. Step 3: Cross multiply
    130,055.27x = 179,495.33 × 76,369.68
  4. Step 4: Simplify right side
    130,055.27x = 13,708,000,531.75
  5. Step 5: Solve for x
    x = 13,708,000,531.75/130,055.27
  6. Step 6: Final answer
    x = 105,401.35

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