Home / 214,085.31-321,050.44-71,888.05

Finding the Fourth Proportional to 214,085.31, 321,050.44 and 71,888.05

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Solution

The fourth proportional to 214,085.31, 321,050.44 and 71,888.05 is: 107,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,085.31 : 321,050.44 = 71,888.05 : x
  2. Step 2: Convert to fraction form
    214,085.31/321,050.44 = 71,888.05/x
  3. Step 3: Cross multiply
    214,085.31x = 321,050.44 × 71,888.05
  4. Step 4: Simplify right side
    214,085.31x = 23,079,690,083.24
  5. Step 5: Solve for x
    x = 23,079,690,083.24/214,085.31
  6. Step 6: Final answer
    x = 107,806.04

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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.