Home / 170,121.87-255,194.55-57,756.24

Finding the Fourth Proportional to 170,121.87, 255,194.55 and 57,756.24

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Solution

The fourth proportional to 170,121.87, 255,194.55 and 57,756.24 is: 86,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,121.87 : 255,194.55 = 57,756.24 : x
  2. Step 2: Convert to fraction form
    170,121.87/255,194.55 = 57,756.24/x
  3. Step 3: Cross multiply
    170,121.87x = 255,194.55 × 57,756.24
  4. Step 4: Simplify right side
    170,121.87x = 14,739,077,676.49
  5. Step 5: Solve for x
    x = 14,739,077,676.49/170,121.87
  6. Step 6: Final answer
    x = 86,638.35

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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.