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Finding the Fourth Proportional to 342,487.60, 513,818.88 and 132,069.04

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Solution

The fourth proportional to 342,487.60, 513,818.88 and 132,069.04 is: 198,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,487.60 : 513,818.88 = 132,069.04 : x
  2. Step 2: Convert to fraction form
    342,487.60/513,818.88 = 132,069.04/x
  3. Step 3: Cross multiply
    342,487.60x = 513,818.88 × 132,069.04
  4. Step 4: Simplify right side
    342,487.60x = 67,859,566,215.48
  5. Step 5: Solve for x
    x = 67,859,566,215.48/342,487.60
  6. Step 6: Final answer
    x = 198,137.29

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