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Finding the Fourth Proportional to 98,366.40, 147,705.12 and 77,682.24

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Solution

The fourth proportional to 98,366.40, 147,705.12 and 77,682.24 is: 116,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,366.40 : 147,705.12 = 77,682.24 : x
  2. Step 2: Convert to fraction form
    98,366.40/147,705.12 = 77,682.24/x
  3. Step 3: Cross multiply
    98,366.40x = 147,705.12 × 77,682.24
  4. Step 4: Simplify right side
    98,366.40x = 11,474,064,581.07
  5. Step 5: Solve for x
    x = 11,474,064,581.07/98,366.40
  6. Step 6: Final answer
    x = 116,646.18

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