Home / 144,390.60-199,179.04-83,954.56

Finding the Fourth Proportional to 144,390.60, 199,179.04 and 83,954.56

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Solution

The fourth proportional to 144,390.60, 199,179.04 and 83,954.56 is: 115,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,390.60 : 199,179.04 = 83,954.56 : x
  2. Step 2: Convert to fraction form
    144,390.60/199,179.04 = 83,954.56/x
  3. Step 3: Cross multiply
    144,390.60x = 199,179.04 × 83,954.56
  4. Step 4: Simplify right side
    144,390.60x = 16,721,988,664.42
  5. Step 5: Solve for x
    x = 16,721,988,664.42/144,390.60
  6. Step 6: Final answer
    x = 115,810.78

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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.