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Finding the Fourth Proportional to 354,826.40, 532,124.40 and 118,128.80

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Solution

The fourth proportional to 354,826.40, 532,124.40 and 118,128.80 is: 177,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,826.40 : 532,124.40 = 118,128.80 : x
  2. Step 2: Convert to fraction form
    354,826.40/532,124.40 = 118,128.80/x
  3. Step 3: Cross multiply
    354,826.40x = 532,124.40 × 118,128.80
  4. Step 4: Simplify right side
    354,826.40x = 62,859,216,822.72
  5. Step 5: Solve for x
    x = 62,859,216,822.72/354,826.40
  6. Step 6: Final answer
    x = 177,154.85

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