Home / 170,240.04-255,241.58-75,418.76

Finding the Fourth Proportional to 170,240.04, 255,241.58 and 75,418.76

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Solution

The fourth proportional to 170,240.04, 255,241.58 and 75,418.76 is: 113,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240.04 : 255,241.58 = 75,418.76 : x
  2. Step 2: Convert to fraction form
    170,240.04/255,241.58 = 75,418.76/x
  3. Step 3: Cross multiply
    170,240.04x = 255,241.58 × 75,418.76
  4. Step 4: Simplify right side
    170,240.04x = 19,250,003,464.04
  5. Step 5: Solve for x
    x = 19,250,003,464.04/170,240.04
  6. Step 6: Final answer
    x = 113,075.65

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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.