Home / 144,699.98-199,687.38-80,170.58

Finding the Fourth Proportional to 144,699.98, 199,687.38 and 80,170.58

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Solution

The fourth proportional to 144,699.98, 199,687.38 and 80,170.58 is: 110,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,699.98 : 199,687.38 = 80,170.58 : x
  2. Step 2: Convert to fraction form
    144,699.98/199,687.38 = 80,170.58/x
  3. Step 3: Cross multiply
    144,699.98x = 199,687.38 × 80,170.58
  4. Step 4: Simplify right side
    144,699.98x = 16,009,053,073.28
  5. Step 5: Solve for x
    x = 16,009,053,073.28/144,699.98
  6. Step 6: Final answer
    x = 110,636.18

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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.