Home / 193,075.20-289,612.80-110,131.20

Finding the Fourth Proportional to 193,075.20, 289,612.80 and 110,131.20

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Solution

The fourth proportional to 193,075.20, 289,612.80 and 110,131.20 is: 165,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,075.20 : 289,612.80 = 110,131.20 : x
  2. Step 2: Convert to fraction form
    193,075.20/289,612.80 = 110,131.20/x
  3. Step 3: Cross multiply
    193,075.20x = 289,612.80 × 110,131.20
  4. Step 4: Simplify right side
    193,075.20x = 31,895,405,199.36
  5. Step 5: Solve for x
    x = 31,895,405,199.36/193,075.20
  6. Step 6: Final answer
    x = 165,196.80

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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.