Home / 181,206.60-250,070.94-100,635.09

Finding the Fourth Proportional to 181,206.60, 250,070.94 and 100,635.09

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Solution

The fourth proportional to 181,206.60, 250,070.94 and 100,635.09 is: 138,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,206.60 : 250,070.94 = 100,635.09 : x
  2. Step 2: Convert to fraction form
    181,206.60/250,070.94 = 100,635.09/x
  3. Step 3: Cross multiply
    181,206.60x = 250,070.94 × 100,635.09
  4. Step 4: Simplify right side
    181,206.60x = 25,165,911,553.28
  5. Step 5: Solve for x
    x = 25,165,911,553.28/181,206.60
  6. Step 6: Final answer
    x = 138,879.66

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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.