Home / 187,662.24-280,715.12-142,950.56

Finding the Fourth Proportional to 187,662.24, 280,715.12 and 142,950.56

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Solution

The fourth proportional to 187,662.24, 280,715.12 and 142,950.56 is: 213,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.24 : 280,715.12 = 142,950.56 : x
  2. Step 2: Convert to fraction form
    187,662.24/280,715.12 = 142,950.56/x
  3. Step 3: Cross multiply
    187,662.24x = 280,715.12 × 142,950.56
  4. Step 4: Simplify right side
    187,662.24x = 40,128,383,604.47
  5. Step 5: Solve for x
    x = 40,128,383,604.47/187,662.24
  6. Step 6: Final answer
    x = 213,833.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.