Home / 187,174.64-280,761.73-45,019.85

Finding the Fourth Proportional to 187,174.64, 280,761.73 and 45,019.85

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Solution

The fourth proportional to 187,174.64, 280,761.73 and 45,019.85 is: 67,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.64 : 280,761.73 = 45,019.85 : x
  2. Step 2: Convert to fraction form
    187,174.64/280,761.73 = 45,019.85/x
  3. Step 3: Cross multiply
    187,174.64x = 280,761.73 × 45,019.85
  4. Step 4: Simplify right side
    187,174.64x = 12,639,849,453.98
  5. Step 5: Solve for x
    x = 12,639,849,453.98/187,174.64
  6. Step 6: Final answer
    x = 67,529.71

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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.