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Finding the Fourth Proportional to 358,723.20, 537,890.40 and 148,123.20

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Solution

The fourth proportional to 358,723.20, 537,890.40 and 148,123.20 is: 222,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,723.20 : 537,890.40 = 148,123.20 : x
  2. Step 2: Convert to fraction form
    358,723.20/537,890.40 = 148,123.20/x
  3. Step 3: Cross multiply
    358,723.20x = 537,890.40 × 148,123.20
  4. Step 4: Simplify right side
    358,723.20x = 79,674,047,297.28
  5. Step 5: Solve for x
    x = 79,674,047,297.28/358,723.20
  6. Step 6: Final answer
    x = 222,104.53

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