Home / 138,312.18-190,873.26-81,723.42

Finding the Fourth Proportional to 138,312.18, 190,873.26 and 81,723.42

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Solution

The fourth proportional to 138,312.18, 190,873.26 and 81,723.42 is: 112,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,312.18 : 190,873.26 = 81,723.42 : x
  2. Step 2: Convert to fraction form
    138,312.18/190,873.26 = 81,723.42/x
  3. Step 3: Cross multiply
    138,312.18x = 190,873.26 × 81,723.42
  4. Step 4: Simplify right side
    138,312.18x = 15,598,815,593.75
  5. Step 5: Solve for x
    x = 15,598,815,593.75/138,312.18
  6. Step 6: Final answer
    x = 112,779.77

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