Home / 217,405.10-300,022.14-131,352.14

Finding the Fourth Proportional to 217,405.10, 300,022.14 and 131,352.14

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Solution

The fourth proportional to 217,405.10, 300,022.14 and 131,352.14 is: 181,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,405.10 : 300,022.14 = 131,352.14 : x
  2. Step 2: Convert to fraction form
    217,405.10/300,022.14 = 131,352.14/x
  3. Step 3: Cross multiply
    217,405.10x = 300,022.14 × 131,352.14
  4. Step 4: Simplify right side
    217,405.10x = 39,408,550,136.38
  5. Step 5: Solve for x
    x = 39,408,550,136.38/217,405.10
  6. Step 6: Final answer
    x = 181,267.83

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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.