Home / 232,690.82-321,143.02-142,027.38

Finding the Fourth Proportional to 232,690.82, 321,143.02 and 142,027.38

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Solution

The fourth proportional to 232,690.82, 321,143.02 and 142,027.38 is: 196,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,690.82 : 321,143.02 = 142,027.38 : x
  2. Step 2: Convert to fraction form
    232,690.82/321,143.02 = 142,027.38/x
  3. Step 3: Cross multiply
    232,690.82x = 321,143.02 × 142,027.38
  4. Step 4: Simplify right side
    232,690.82x = 45,611,101,380.82
  5. Step 5: Solve for x
    x = 45,611,101,380.82/232,690.82
  6. Step 6: Final answer
    x = 196,015.91

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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.