Home / 170,714.57-255,872.48-128,458.83

Finding the Fourth Proportional to 170,714.57, 255,872.48 and 128,458.83

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Solution

The fourth proportional to 170,714.57, 255,872.48 and 128,458.83 is: 192,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,714.57 : 255,872.48 = 128,458.83 : x
  2. Step 2: Convert to fraction form
    170,714.57/255,872.48 = 128,458.83/x
  3. Step 3: Cross multiply
    170,714.57x = 255,872.48 × 128,458.83
  4. Step 4: Simplify right side
    170,714.57x = 32,869,078,767.70
  5. Step 5: Solve for x
    x = 32,869,078,767.70/170,714.57
  6. Step 6: Final answer
    x = 192,538.21

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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.