Home / 84,154.71-126,131.65-39,115.21

Finding the Fourth Proportional to 84,154.71, 126,131.65 and 39,115.21

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Solution

The fourth proportional to 84,154.71, 126,131.65 and 39,115.21 is: 58,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,154.71 : 126,131.65 = 39,115.21 : x
  2. Step 2: Convert to fraction form
    84,154.71/126,131.65 = 39,115.21/x
  3. Step 3: Cross multiply
    84,154.71x = 126,131.65 × 39,115.21
  4. Step 4: Simplify right side
    84,154.71x = 4,933,665,977.40
  5. Step 5: Solve for x
    x = 4,933,665,977.40/84,154.71
  6. Step 6: Final answer
    x = 58,626.14

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