Home / 240,791.16-332,199.31-137,431.09

Finding the Fourth Proportional to 240,791.16, 332,199.31 and 137,431.09

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Solution

The fourth proportional to 240,791.16, 332,199.31 and 137,431.09 is: 189,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,791.16 : 332,199.31 = 137,431.09 : x
  2. Step 2: Convert to fraction form
    240,791.16/332,199.31 = 137,431.09/x
  3. Step 3: Cross multiply
    240,791.16x = 332,199.31 × 137,431.09
  4. Step 4: Simplify right side
    240,791.16x = 45,654,514,101.05
  5. Step 5: Solve for x
    x = 45,654,514,101.05/240,791.16
  6. Step 6: Final answer
    x = 189,602.12

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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.