Home / 210,221.92-289,976.44-149,811.92

Finding the Fourth Proportional to 210,221.92, 289,976.44 and 149,811.92

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Solution

The fourth proportional to 210,221.92, 289,976.44 and 149,811.92 is: 206,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221.92 : 289,976.44 = 149,811.92 : x
  2. Step 2: Convert to fraction form
    210,221.92/289,976.44 = 149,811.92/x
  3. Step 3: Cross multiply
    210,221.92x = 289,976.44 × 149,811.92
  4. Step 4: Simplify right side
    210,221.92x = 43,441,927,231.16
  5. Step 5: Solve for x
    x = 43,441,927,231.16/210,221.92
  6. Step 6: Final answer
    x = 206,647.94

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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.