Home / 231,962.06-320,091.46-128,595.23

Finding the Fourth Proportional to 231,962.06, 320,091.46 and 128,595.23

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Solution

The fourth proportional to 231,962.06, 320,091.46 and 128,595.23 is: 177,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,962.06 : 320,091.46 = 128,595.23 : x
  2. Step 2: Convert to fraction form
    231,962.06/320,091.46 = 128,595.23/x
  3. Step 3: Cross multiply
    231,962.06x = 320,091.46 × 128,595.23
  4. Step 4: Simplify right side
    231,962.06x = 41,162,233,319.28
  5. Step 5: Solve for x
    x = 41,162,233,319.28/231,962.06
  6. Step 6: Final answer
    x = 177,452.44

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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.