Home / 214,403.13-321,604.70-89,744.13

Finding the Fourth Proportional to 214,403.13, 321,604.70 and 89,744.13

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Solution

The fourth proportional to 214,403.13, 321,604.70 and 89,744.13 is: 134,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,403.13 : 321,604.70 = 89,744.13 : x
  2. Step 2: Convert to fraction form
    214,403.13/321,604.70 = 89,744.13/x
  3. Step 3: Cross multiply
    214,403.13x = 321,604.70 × 89,744.13
  4. Step 4: Simplify right side
    214,403.13x = 28,862,134,005.41
  5. Step 5: Solve for x
    x = 28,862,134,005.41/214,403.13
  6. Step 6: Final answer
    x = 134,616.20

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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.