Home / 217,453.77-300,096.32-135,830.36

Finding the Fourth Proportional to 217,453.77, 300,096.32 and 135,830.36

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Solution

The fourth proportional to 217,453.77, 300,096.32 and 135,830.36 is: 187,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,453.77 : 300,096.32 = 135,830.36 : x
  2. Step 2: Convert to fraction form
    217,453.77/300,096.32 = 135,830.36/x
  3. Step 3: Cross multiply
    217,453.77x = 300,096.32 × 135,830.36
  4. Step 4: Simplify right side
    217,453.77x = 40,762,189,000.64
  5. Step 5: Solve for x
    x = 40,762,189,000.64/217,453.77
  6. Step 6: Final answer
    x = 187,452.21

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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.