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Finding the Fourth Proportional to 145,855.13, 218,819.59 and 40,674.11

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Solution

The fourth proportional to 145,855.13, 218,819.59 and 40,674.11 is: 61,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,855.13 : 218,819.59 = 40,674.11 : x
  2. Step 2: Convert to fraction form
    145,855.13/218,819.59 = 40,674.11/x
  3. Step 3: Cross multiply
    145,855.13x = 218,819.59 × 40,674.11
  4. Step 4: Simplify right side
    145,855.13x = 8,900,290,878.03
  5. Step 5: Solve for x
    x = 8,900,290,878.03/145,855.13
  6. Step 6: Final answer
    x = 61,021.45

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