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Finding the Fourth Proportional to 115,968.71, 160,113.92 and 89,063.15

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Solution

The fourth proportional to 115,968.71, 160,113.92 and 89,063.15 is: 122,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,968.71 : 160,113.92 = 89,063.15 : x
  2. Step 2: Convert to fraction form
    115,968.71/160,113.92 = 89,063.15/x
  3. Step 3: Cross multiply
    115,968.71x = 160,113.92 × 89,063.15
  4. Step 4: Simplify right side
    115,968.71x = 14,260,248,828.16
  5. Step 5: Solve for x
    x = 14,260,248,828.16/115,968.71
  6. Step 6: Final answer
    x = 122,966.35

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