Home / 150,561.48-207,778.50-82,581.24

Finding the Fourth Proportional to 150,561.48, 207,778.50 and 82,581.24

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Solution

The fourth proportional to 150,561.48, 207,778.50 and 82,581.24 is: 113,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,561.48 : 207,778.50 = 82,581.24 : x
  2. Step 2: Convert to fraction form
    150,561.48/207,778.50 = 82,581.24/x
  3. Step 3: Cross multiply
    150,561.48x = 207,778.50 × 82,581.24
  4. Step 4: Simplify right side
    150,561.48x = 17,158,606,175.34
  5. Step 5: Solve for x
    x = 17,158,606,175.34/150,561.48
  6. Step 6: Final answer
    x = 113,964.12

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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.