Home / 232,786.23-321,221.05-130,795.48

Finding the Fourth Proportional to 232,786.23, 321,221.05 and 130,795.48

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Solution

The fourth proportional to 232,786.23, 321,221.05 and 130,795.48 is: 180,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,786.23 : 321,221.05 = 130,795.48 : x
  2. Step 2: Convert to fraction form
    232,786.23/321,221.05 = 130,795.48/x
  3. Step 3: Cross multiply
    232,786.23x = 321,221.05 × 130,795.48
  4. Step 4: Simplify right side
    232,786.23x = 42,014,261,420.85
  5. Step 5: Solve for x
    x = 42,014,261,420.85/232,786.23
  6. Step 6: Final answer
    x = 180,484.31

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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.