Home / 214,431.04-321,647.40-89,684.56

Finding the Fourth Proportional to 214,431.04, 321,647.40 and 89,684.56

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Solution

The fourth proportional to 214,431.04, 321,647.40 and 89,684.56 is: 134,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,431.04 : 321,647.40 = 89,684.56 : x
  2. Step 2: Convert to fraction form
    214,431.04/321,647.40 = 89,684.56/x
  3. Step 3: Cross multiply
    214,431.04x = 321,647.40 × 89,684.56
  4. Step 4: Simplify right side
    214,431.04x = 28,846,805,544.14
  5. Step 5: Solve for x
    x = 28,846,805,544.14/214,431.04
  6. Step 6: Final answer
    x = 134,527.19

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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.