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Finding the Fourth Proportional to 143,907.40, 215,666.70 and 96,387.40

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Solution

The fourth proportional to 143,907.40, 215,666.70 and 96,387.40 is: 144,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,907.40 : 215,666.70 = 96,387.40 : x
  2. Step 2: Convert to fraction form
    143,907.40/215,666.70 = 96,387.40/x
  3. Step 3: Cross multiply
    143,907.40x = 215,666.70 × 96,387.40
  4. Step 4: Simplify right side
    143,907.40x = 20,787,552,479.58
  5. Step 5: Solve for x
    x = 20,787,552,479.58/143,907.40
  6. Step 6: Final answer
    x = 144,450.89

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