Home / 86,972.31-120,263.37-69,036.18

Finding the Fourth Proportional to 86,972.31, 120,263.37 and 69,036.18

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Solution

The fourth proportional to 86,972.31, 120,263.37 and 69,036.18 is: 95,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.31 : 120,263.37 = 69,036.18 : x
  2. Step 2: Convert to fraction form
    86,972.31/120,263.37 = 69,036.18/x
  3. Step 3: Cross multiply
    86,972.31x = 120,263.37 × 69,036.18
  4. Step 4: Simplify right side
    86,972.31x = 8,302,523,658.73
  5. Step 5: Solve for x
    x = 8,302,523,658.73/86,972.31
  6. Step 6: Final answer
    x = 95,461.69

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