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Finding the Fourth Proportional to 98,429.83, 147,668.26 and 31,870.03

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Solution

The fourth proportional to 98,429.83, 147,668.26 and 31,870.03 is: 47,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429.83 : 147,668.26 = 31,870.03 : x
  2. Step 2: Convert to fraction form
    98,429.83/147,668.26 = 31,870.03/x
  3. Step 3: Cross multiply
    98,429.83x = 147,668.26 × 31,870.03
  4. Step 4: Simplify right side
    98,429.83x = 4,706,191,876.25
  5. Step 5: Solve for x
    x = 4,706,191,876.25/98,429.83
  6. Step 6: Final answer
    x = 47,812.66

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