Home / 214,132.41-321,200.88-87,740.19

Finding the Fourth Proportional to 214,132.41, 321,200.88 and 87,740.19

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Solution

The fourth proportional to 214,132.41, 321,200.88 and 87,740.19 is: 131,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,132.41 : 321,200.88 = 87,740.19 : x
  2. Step 2: Convert to fraction form
    214,132.41/321,200.88 = 87,740.19/x
  3. Step 3: Cross multiply
    214,132.41x = 321,200.88 × 87,740.19
  4. Step 4: Simplify right side
    214,132.41x = 28,182,226,239.37
  5. Step 5: Solve for x
    x = 28,182,226,239.37/214,132.41
  6. Step 6: Final answer
    x = 131,611.21

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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.