Home / 181,257.72-250,175.64-100,712.92

Finding the Fourth Proportional to 181,257.72, 250,175.64 and 100,712.92

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Solution

The fourth proportional to 181,257.72, 250,175.64 and 100,712.92 is: 139,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,257.72 : 250,175.64 = 100,712.92 : x
  2. Step 2: Convert to fraction form
    181,257.72/250,175.64 = 100,712.92/x
  3. Step 3: Cross multiply
    181,257.72x = 250,175.64 × 100,712.92
  4. Step 4: Simplify right side
    181,257.72x = 25,195,919,217.27
  5. Step 5: Solve for x
    x = 25,195,919,217.27/181,257.72
  6. Step 6: Final answer
    x = 139,006.05

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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.