Home / 86,007.20-118,730.08-57,374.56

Finding the Fourth Proportional to 86,007.20, 118,730.08 and 57,374.56

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Solution

The fourth proportional to 86,007.20, 118,730.08 and 57,374.56 is: 79,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.20 : 118,730.08 = 57,374.56 : x
  2. Step 2: Convert to fraction form
    86,007.20/118,730.08 = 57,374.56/x
  3. Step 3: Cross multiply
    86,007.20x = 118,730.08 × 57,374.56
  4. Step 4: Simplify right side
    86,007.20x = 6,812,086,098.76
  5. Step 5: Solve for x
    x = 6,812,086,098.76/86,007.20
  6. Step 6: Final answer
    x = 79,203.67

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