Home / 232,313.30-320,611.68-128,957.22

Finding the Fourth Proportional to 232,313.30, 320,611.68 and 128,957.22

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Solution

The fourth proportional to 232,313.30, 320,611.68 and 128,957.22 is: 177,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,313.30 : 320,611.68 = 128,957.22 : x
  2. Step 2: Convert to fraction form
    232,313.30/320,611.68 = 128,957.22/x
  3. Step 3: Cross multiply
    232,313.30x = 320,611.68 × 128,957.22
  4. Step 4: Simplify right side
    232,313.30x = 41,345,190,952.33
  5. Step 5: Solve for x
    x = 41,345,190,952.33/232,313.30
  6. Step 6: Final answer
    x = 177,971.69

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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.