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Finding the Fourth Proportional to 174,045.40, 260,895.30 and 80,387.80

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Solution

The fourth proportional to 174,045.40, 260,895.30 and 80,387.80 is: 120,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,045.40 : 260,895.30 = 80,387.80 : x
  2. Step 2: Convert to fraction form
    174,045.40/260,895.30 = 80,387.80/x
  3. Step 3: Cross multiply
    174,045.40x = 260,895.30 × 80,387.80
  4. Step 4: Simplify right side
    174,045.40x = 20,972,799,197.34
  5. Step 5: Solve for x
    x = 20,972,799,197.34/174,045.40
  6. Step 6: Final answer
    x = 120,501.89

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