Home / 221,849.86-306,300.59-131,234.92

Finding the Fourth Proportional to 221,849.86, 306,300.59 and 131,234.92

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Solution

The fourth proportional to 221,849.86, 306,300.59 and 131,234.92 is: 181,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,849.86 : 306,300.59 = 131,234.92 : x
  2. Step 2: Convert to fraction form
    221,849.86/306,300.59 = 131,234.92/x
  3. Step 3: Cross multiply
    221,849.86x = 306,300.59 × 131,234.92
  4. Step 4: Simplify right side
    221,849.86x = 40,197,333,424.60
  5. Step 5: Solve for x
    x = 40,197,333,424.60/221,849.86
  6. Step 6: Final answer
    x = 181,191.61

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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.