Home / 172,727.64-238,364.62-100,144.60

Finding the Fourth Proportional to 172,727.64, 238,364.62 and 100,144.60

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Solution

The fourth proportional to 172,727.64, 238,364.62 and 100,144.60 is: 138,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,727.64 : 238,364.62 = 100,144.60 : x
  2. Step 2: Convert to fraction form
    172,727.64/238,364.62 = 100,144.60/x
  3. Step 3: Cross multiply
    172,727.64x = 238,364.62 × 100,144.60
  4. Step 4: Simplify right side
    172,727.64x = 23,870,930,581.89
  5. Step 5: Solve for x
    x = 23,870,930,581.89/172,727.64
  6. Step 6: Final answer
    x = 138,199.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.