Home / 140,543.09-193,954.06-80,112.63

Finding the Fourth Proportional to 140,543.09, 193,954.06 and 80,112.63

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Solution

The fourth proportional to 140,543.09, 193,954.06 and 80,112.63 is: 110,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,543.09 : 193,954.06 = 80,112.63 : x
  2. Step 2: Convert to fraction form
    140,543.09/193,954.06 = 80,112.63/x
  3. Step 3: Cross multiply
    140,543.09x = 193,954.06 × 80,112.63
  4. Step 4: Simplify right side
    140,543.09x = 15,538,169,845.78
  5. Step 5: Solve for x
    x = 15,538,169,845.78/140,543.09
  6. Step 6: Final answer
    x = 110,558.05

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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.