Home / 144,827.28-199,869.54-81,185.52

Finding the Fourth Proportional to 144,827.28, 199,869.54 and 81,185.52

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Solution

The fourth proportional to 144,827.28, 199,869.54 and 81,185.52 is: 112,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827.28 : 199,869.54 = 81,185.52 : x
  2. Step 2: Convert to fraction form
    144,827.28/199,869.54 = 81,185.52/x
  3. Step 3: Cross multiply
    144,827.28x = 199,869.54 × 81,185.52
  4. Step 4: Simplify right side
    144,827.28x = 16,226,512,537.06
  5. Step 5: Solve for x
    x = 16,226,512,537.06/144,827.28
  6. Step 6: Final answer
    x = 112,040.44

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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.