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Finding the Fourth Proportional to 147,545.81, 221,540.12 and 84,437.20

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Solution

The fourth proportional to 147,545.81, 221,540.12 and 84,437.20 is: 126,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,545.81 : 221,540.12 = 84,437.20 : x
  2. Step 2: Convert to fraction form
    147,545.81/221,540.12 = 84,437.20/x
  3. Step 3: Cross multiply
    147,545.81x = 221,540.12 × 84,437.20
  4. Step 4: Simplify right side
    147,545.81x = 18,706,227,420.46
  5. Step 5: Solve for x
    x = 18,706,227,420.46/147,545.81
  6. Step 6: Final answer
    x = 126,782.51

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