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Finding the Fourth Proportional to 117,730.60, 176,595.90 and 70,959.40

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Solution

The fourth proportional to 117,730.60, 176,595.90 and 70,959.40 is: 106,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,730.60 : 176,595.90 = 70,959.40 : x
  2. Step 2: Convert to fraction form
    117,730.60/176,595.90 = 70,959.40/x
  3. Step 3: Cross multiply
    117,730.60x = 176,595.90 × 70,959.40
  4. Step 4: Simplify right side
    117,730.60x = 12,531,139,106.46
  5. Step 5: Solve for x
    x = 12,531,139,106.46/117,730.60
  6. Step 6: Final answer
    x = 106,439.10

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