Home / 214,077.98-321,116.98-89,331.50

Finding the Fourth Proportional to 214,077.98, 321,116.98 and 89,331.50

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Solution

The fourth proportional to 214,077.98, 321,116.98 and 89,331.50 is: 133,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,077.98 : 321,116.98 = 89,331.50 : x
  2. Step 2: Convert to fraction form
    214,077.98/321,116.98 = 89,331.50/x
  3. Step 3: Cross multiply
    214,077.98x = 321,116.98 × 89,331.50
  4. Step 4: Simplify right side
    214,077.98x = 28,685,861,498.87
  5. Step 5: Solve for x
    x = 28,685,861,498.87/214,077.98
  6. Step 6: Final answer
    x = 133,997.25

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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.