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Finding the Fourth Proportional to 131,448.13, 181,398.50 and 71,018.76

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Solution

The fourth proportional to 131,448.13, 181,398.50 and 71,018.76 is: 98,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.13 : 181,398.50 = 71,018.76 : x
  2. Step 2: Convert to fraction form
    131,448.13/181,398.50 = 71,018.76/x
  3. Step 3: Cross multiply
    131,448.13x = 181,398.50 × 71,018.76
  4. Step 4: Simplify right side
    131,448.13x = 12,882,695,273.77
  5. Step 5: Solve for x
    x = 12,882,695,273.77/131,448.13
  6. Step 6: Final answer
    x = 98,005.92

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