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Finding the Fourth Proportional to 141,752.16, 212,760 and 71,681.76

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Solution

The fourth proportional to 141,752.16, 212,760 and 71,681.76 is: 107,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,752.16 : 212,760 = 71,681.76 : x
  2. Step 2: Convert to fraction form
    141,752.16/212,760 = 71,681.76/x
  3. Step 3: Cross multiply
    141,752.16x = 212,760 × 71,681.76
  4. Step 4: Simplify right side
    141,752.16x = 15,251,011,257.60
  5. Step 5: Solve for x
    x = 15,251,011,257.60/141,752.16
  6. Step 6: Final answer
    x = 107,589.27

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