Home / 231,127.83-318,958.25-130,525.83

Finding the Fourth Proportional to 231,127.83, 318,958.25 and 130,525.83

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Solution

The fourth proportional to 231,127.83, 318,958.25 and 130,525.83 is: 180,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,127.83 : 318,958.25 = 130,525.83 : x
  2. Step 2: Convert to fraction form
    231,127.83/318,958.25 = 130,525.83/x
  3. Step 3: Cross multiply
    231,127.83x = 318,958.25 × 130,525.83
  4. Step 4: Simplify right side
    231,127.83x = 41,632,289,663.97
  5. Step 5: Solve for x
    x = 41,632,289,663.97/231,127.83
  6. Step 6: Final answer
    x = 180,126.68

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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.