Home / 217,406.10-300,023.52-131,353.14

Finding the Fourth Proportional to 217,406.10, 300,023.52 and 131,353.14

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Solution

The fourth proportional to 217,406.10, 300,023.52 and 131,353.14 is: 181,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,406.10 : 300,023.52 = 131,353.14 : x
  2. Step 2: Convert to fraction form
    217,406.10/300,023.52 = 131,353.14/x
  3. Step 3: Cross multiply
    217,406.10x = 300,023.52 × 131,353.14
  4. Step 4: Simplify right side
    217,406.10x = 39,409,031,425.85
  5. Step 5: Solve for x
    x = 39,409,031,425.85/217,406.10
  6. Step 6: Final answer
    x = 181,269.21

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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.