Home / 214,374.75-321,510.19-72,183.30

Finding the Fourth Proportional to 214,374.75, 321,510.19 and 72,183.30

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Solution

The fourth proportional to 214,374.75, 321,510.19 and 72,183.30 is: 108,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,374.75 : 321,510.19 = 72,183.30 : x
  2. Step 2: Convert to fraction form
    214,374.75/321,510.19 = 72,183.30/x
  3. Step 3: Cross multiply
    214,374.75x = 321,510.19 × 72,183.30
  4. Step 4: Simplify right side
    214,374.75x = 23,207,666,852.53
  5. Step 5: Solve for x
    x = 23,207,666,852.53/214,374.75
  6. Step 6: Final answer
    x = 108,257.46

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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.