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Finding the Fourth Proportional to 499,054.60, 748,581.90 and 144,080.20

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Solution

The fourth proportional to 499,054.60, 748,581.90 and 144,080.20 is: 216,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,054.60 : 748,581.90 = 144,080.20 : x
  2. Step 2: Convert to fraction form
    499,054.60/748,581.90 = 144,080.20/x
  3. Step 3: Cross multiply
    499,054.60x = 748,581.90 × 144,080.20
  4. Step 4: Simplify right side
    499,054.60x = 107,855,829,868.38
  5. Step 5: Solve for x
    x = 107,855,829,868.38/499,054.60
  6. Step 6: Final answer
    x = 216,120.30

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