Home / 223,123.25-307,879.10-131,246.70

Finding the Fourth Proportional to 223,123.25, 307,879.10 and 131,246.70

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Solution

The fourth proportional to 223,123.25, 307,879.10 and 131,246.70 is: 181,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,123.25 : 307,879.10 = 131,246.70 : x
  2. Step 2: Convert to fraction form
    223,123.25/307,879.10 = 131,246.70/x
  3. Step 3: Cross multiply
    223,123.25x = 307,879.10 × 131,246.70
  4. Step 4: Simplify right side
    223,123.25x = 40,408,115,873.97
  5. Step 5: Solve for x
    x = 40,408,115,873.97/223,123.25
  6. Step 6: Final answer
    x = 181,102.22

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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.