Home / 150,157.95-207,209.04-82,161.36

Finding the Fourth Proportional to 150,157.95, 207,209.04 and 82,161.36

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Solution

The fourth proportional to 150,157.95, 207,209.04 and 82,161.36 is: 113,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,157.95 : 207,209.04 = 82,161.36 : x
  2. Step 2: Convert to fraction form
    150,157.95/207,209.04 = 82,161.36/x
  3. Step 3: Cross multiply
    150,157.95x = 207,209.04 × 82,161.36
  4. Step 4: Simplify right side
    150,157.95x = 17,024,576,530.69
  5. Step 5: Solve for x
    x = 17,024,576,530.69/150,157.95
  6. Step 6: Final answer
    x = 113,377.79

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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.