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Finding the Fourth Proportional to 178,312.59, 267,555.96 and 78,460.25

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Solution

The fourth proportional to 178,312.59, 267,555.96 and 78,460.25 is: 117,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,312.59 : 267,555.96 = 78,460.25 : x
  2. Step 2: Convert to fraction form
    178,312.59/267,555.96 = 78,460.25/x
  3. Step 3: Cross multiply
    178,312.59x = 267,555.96 × 78,460.25
  4. Step 4: Simplify right side
    178,312.59x = 20,992,506,172.81
  5. Step 5: Solve for x
    x = 20,992,506,172.81/178,312.59
  6. Step 6: Final answer
    x = 117,728.68

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