Home / 151,735.38-209,493.45-135,792.42

Finding the Fourth Proportional to 151,735.38, 209,493.45 and 135,792.42

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Solution

The fourth proportional to 151,735.38, 209,493.45 and 135,792.42 is: 187,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,735.38 : 209,493.45 = 135,792.42 : x
  2. Step 2: Convert to fraction form
    151,735.38/209,493.45 = 135,792.42/x
  3. Step 3: Cross multiply
    151,735.38x = 209,493.45 × 135,792.42
  4. Step 4: Simplify right side
    151,735.38x = 28,447,622,549.65
  5. Step 5: Solve for x
    x = 28,447,622,549.65/151,735.38
  6. Step 6: Final answer
    x = 187,481.80

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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.