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Finding the Fourth Proportional to 98,690.67, 147,970.89 and 35,479.08

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Solution

The fourth proportional to 98,690.67, 147,970.89 and 35,479.08 is: 53,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,690.67 : 147,970.89 = 35,479.08 : x
  2. Step 2: Convert to fraction form
    98,690.67/147,970.89 = 35,479.08/x
  3. Step 3: Cross multiply
    98,690.67x = 147,970.89 × 35,479.08
  4. Step 4: Simplify right side
    98,690.67x = 5,249,871,043.98
  5. Step 5: Solve for x
    x = 5,249,871,043.98/98,690.67
  6. Step 6: Final answer
    x = 53,195.21

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