Home / 144,954.64-200,037.02-81,293.80

Finding the Fourth Proportional to 144,954.64, 200,037.02 and 81,293.80

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Solution

The fourth proportional to 144,954.64, 200,037.02 and 81,293.80 is: 112,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,954.64 : 200,037.02 = 81,293.80 : x
  2. Step 2: Convert to fraction form
    144,954.64/200,037.02 = 81,293.80/x
  3. Step 3: Cross multiply
    144,954.64x = 200,037.02 × 81,293.80
  4. Step 4: Simplify right side
    144,954.64x = 16,261,769,496.48
  5. Step 5: Solve for x
    x = 16,261,769,496.48/144,954.64
  6. Step 6: Final answer
    x = 112,185.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.