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Finding the Fourth Proportional to 116,031.60, 174,047.40 and 89,787.60

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Solution

The fourth proportional to 116,031.60, 174,047.40 and 89,787.60 is: 134,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,031.60 : 174,047.40 = 89,787.60 : x
  2. Step 2: Convert to fraction form
    116,031.60/174,047.40 = 89,787.60/x
  3. Step 3: Cross multiply
    116,031.60x = 174,047.40 × 89,787.60
  4. Step 4: Simplify right side
    116,031.60x = 15,627,298,332.24
  5. Step 5: Solve for x
    x = 15,627,298,332.24/116,031.60
  6. Step 6: Final answer
    x = 134,681.40

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