Home / 187,027.10-280,577.10-80,410.85

Finding the Fourth Proportional to 187,027.10, 280,577.10 and 80,410.85

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Solution

The fourth proportional to 187,027.10, 280,577.10 and 80,410.85 is: 120,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.10 : 280,577.10 = 80,410.85 : x
  2. Step 2: Convert to fraction form
    187,027.10/280,577.10 = 80,410.85/x
  3. Step 3: Cross multiply
    187,027.10x = 280,577.10 × 80,410.85
  4. Step 4: Simplify right side
    187,027.10x = 22,561,443,101.54
  5. Step 5: Solve for x
    x = 22,561,443,101.54/187,027.10
  6. Step 6: Final answer
    x = 120,631.95

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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.