Home / 217,760.48-326,682.84-75,610.88

Finding the Fourth Proportional to 217,760.48, 326,682.84 and 75,610.88

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Solution

The fourth proportional to 217,760.48, 326,682.84 and 75,610.88 is: 113,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,760.48 : 326,682.84 = 75,610.88 : x
  2. Step 2: Convert to fraction form
    217,760.48/326,682.84 = 75,610.88/x
  3. Step 3: Cross multiply
    217,760.48x = 326,682.84 × 75,610.88
  4. Step 4: Simplify right side
    217,760.48x = 24,700,777,013.30
  5. Step 5: Solve for x
    x = 24,700,777,013.30/217,760.48
  6. Step 6: Final answer
    x = 113,430.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.