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Finding the Fourth Proportional to 132,545.80, 198,818.70 and 43,802.20

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Solution

The fourth proportional to 132,545.80, 198,818.70 and 43,802.20 is: 65,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545.80 : 198,818.70 = 43,802.20 : x
  2. Step 2: Convert to fraction form
    132,545.80/198,818.70 = 43,802.20/x
  3. Step 3: Cross multiply
    132,545.80x = 198,818.70 × 43,802.20
  4. Step 4: Simplify right side
    132,545.80x = 8,708,696,461.14
  5. Step 5: Solve for x
    x = 8,708,696,461.14/132,545.80
  6. Step 6: Final answer
    x = 65,703.30

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