Home / 214,768.70-321,679.35-134,545.46

Finding the Fourth Proportional to 214,768.70, 321,679.35 and 134,545.46

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Solution

The fourth proportional to 214,768.70, 321,679.35 and 134,545.46 is: 201,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,768.70 : 321,679.35 = 134,545.46 : x
  2. Step 2: Convert to fraction form
    214,768.70/321,679.35 = 134,545.46/x
  3. Step 3: Cross multiply
    214,768.70x = 321,679.35 × 134,545.46
  4. Step 4: Simplify right side
    214,768.70x = 43,280,496,118.25
  5. Step 5: Solve for x
    x = 43,280,496,118.25/214,768.70
  6. Step 6: Final answer
    x = 201,521.43

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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.