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Finding the Fourth Proportional to 119,744.43, 165,248.40 and 66,031.30

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Solution

The fourth proportional to 119,744.43, 165,248.40 and 66,031.30 is: 91,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.43 : 165,248.40 = 66,031.30 : x
  2. Step 2: Convert to fraction form
    119,744.43/165,248.40 = 66,031.30/x
  3. Step 3: Cross multiply
    119,744.43x = 165,248.40 × 66,031.30
  4. Step 4: Simplify right side
    119,744.43x = 10,911,567,129.10
  5. Step 5: Solve for x
    x = 10,911,567,129.10/119,744.43
  6. Step 6: Final answer
    x = 91,123.80

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