Home / 145,821.79-201,244.59-81,295.39

Finding the Fourth Proportional to 145,821.79, 201,244.59 and 81,295.39

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Solution

The fourth proportional to 145,821.79, 201,244.59 and 81,295.39 is: 112,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,821.79 : 201,244.59 = 81,295.39 : x
  2. Step 2: Convert to fraction form
    145,821.79/201,244.59 = 81,295.39/x
  3. Step 3: Cross multiply
    145,821.79x = 201,244.59 × 81,295.39
  4. Step 4: Simplify right side
    145,821.79x = 16,360,256,016.74
  5. Step 5: Solve for x
    x = 16,360,256,016.74/145,821.79
  6. Step 6: Final answer
    x = 112,193.50

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