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Finding the Fourth Proportional to 142,073.44, 213,091.20 and 42,231.76

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Solution

The fourth proportional to 142,073.44, 213,091.20 and 42,231.76 is: 63,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,073.44 : 213,091.20 = 42,231.76 : x
  2. Step 2: Convert to fraction form
    142,073.44/213,091.20 = 42,231.76/x
  3. Step 3: Cross multiply
    142,073.44x = 213,091.20 × 42,231.76
  4. Step 4: Simplify right side
    142,073.44x = 8,999,216,416.51
  5. Step 5: Solve for x
    x = 8,999,216,416.51/142,073.44
  6. Step 6: Final answer
    x = 63,342.00

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