Home / 170,485.48-255,738.46-52,157.85

Finding the Fourth Proportional to 170,485.48, 255,738.46 and 52,157.85

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Solution

The fourth proportional to 170,485.48, 255,738.46 and 52,157.85 is: 78,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,485.48 : 255,738.46 = 52,157.85 : x
  2. Step 2: Convert to fraction form
    170,485.48/255,738.46 = 52,157.85/x
  3. Step 3: Cross multiply
    170,485.48x = 255,738.46 × 52,157.85
  4. Step 4: Simplify right side
    170,485.48x = 13,338,767,244.29
  5. Step 5: Solve for x
    x = 13,338,767,244.29/170,485.48
  6. Step 6: Final answer
    x = 78,239.90

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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.