Home / 175,736.80-263,605.20-80,966.80

Finding the Fourth Proportional to 175,736.80, 263,605.20 and 80,966.80

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Solution

The fourth proportional to 175,736.80, 263,605.20 and 80,966.80 is: 121,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,736.80 : 263,605.20 = 80,966.80 : x
  2. Step 2: Convert to fraction form
    175,736.80/263,605.20 = 80,966.80/x
  3. Step 3: Cross multiply
    175,736.80x = 263,605.20 × 80,966.80
  4. Step 4: Simplify right side
    175,736.80x = 21,343,269,507.36
  5. Step 5: Solve for x
    x = 21,343,269,507.36/175,736.80
  6. Step 6: Final answer
    x = 121,450.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.