Home / 126,190.98-174,044.70-80,873.17

Finding the Fourth Proportional to 126,190.98, 174,044.70 and 80,873.17

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Solution

The fourth proportional to 126,190.98, 174,044.70 and 80,873.17 is: 111,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.98 : 174,044.70 = 80,873.17 : x
  2. Step 2: Convert to fraction form
    126,190.98/174,044.70 = 80,873.17/x
  3. Step 3: Cross multiply
    126,190.98x = 174,044.70 × 80,873.17
  4. Step 4: Simplify right side
    126,190.98x = 14,075,546,175.59
  5. Step 5: Solve for x
    x = 14,075,546,175.59/126,190.98
  6. Step 6: Final answer
    x = 111,541.62

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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.