Home / 170,528.36-255,714.77-81,823.64

Finding the Fourth Proportional to 170,528.36, 255,714.77 and 81,823.64

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Solution

The fourth proportional to 170,528.36, 255,714.77 and 81,823.64 is: 122,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,528.36 : 255,714.77 = 81,823.64 : x
  2. Step 2: Convert to fraction form
    170,528.36/255,714.77 = 81,823.64/x
  3. Step 3: Cross multiply
    170,528.36x = 255,714.77 × 81,823.64
  4. Step 4: Simplify right side
    170,528.36x = 20,923,512,209.15
  5. Step 5: Solve for x
    x = 20,923,512,209.15/170,528.36
  6. Step 6: Final answer
    x = 122,698.14

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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.