Home / 117,683.20-176,265.60-70,854.40

Finding the Fourth Proportional to 117,683.20, 176,265.60 and 70,854.40

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Solution

The fourth proportional to 117,683.20, 176,265.60 and 70,854.40 is: 106,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.20 : 176,265.60 = 70,854.40 : x
  2. Step 2: Convert to fraction form
    117,683.20/176,265.60 = 70,854.40/x
  3. Step 3: Cross multiply
    117,683.20x = 176,265.60 × 70,854.40
  4. Step 4: Simplify right side
    117,683.20x = 12,489,193,328.64
  5. Step 5: Solve for x
    x = 12,489,193,328.64/117,683.20
  6. Step 6: Final answer
    x = 106,125.54

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