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Finding the Fourth Proportional to 144,932.40, 217,312.20 and 74,948.40

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Solution

The fourth proportional to 144,932.40, 217,312.20 and 74,948.40 is: 112,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,932.40 : 217,312.20 = 74,948.40 : x
  2. Step 2: Convert to fraction form
    144,932.40/217,312.20 = 74,948.40/x
  3. Step 3: Cross multiply
    144,932.40x = 217,312.20 × 74,948.40
  4. Step 4: Simplify right side
    144,932.40x = 16,287,201,690.48
  5. Step 5: Solve for x
    x = 16,287,201,690.48/144,932.40
  6. Step 6: Final answer
    x = 112,377.92

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