Home / 230,735.76-318,330.18-135,207.60

Finding the Fourth Proportional to 230,735.76, 318,330.18 and 135,207.60

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Solution

The fourth proportional to 230,735.76, 318,330.18 and 135,207.60 is: 186,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,735.76 : 318,330.18 = 135,207.60 : x
  2. Step 2: Convert to fraction form
    230,735.76/318,330.18 = 135,207.60/x
  3. Step 3: Cross multiply
    230,735.76x = 318,330.18 × 135,207.60
  4. Step 4: Simplify right side
    230,735.76x = 43,040,659,645.37
  5. Step 5: Solve for x
    x = 43,040,659,645.37/230,735.76
  6. Step 6: Final answer
    x = 186,536.58

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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.