Home / 214,512.30-321,697.58-72,319.23

Finding the Fourth Proportional to 214,512.30, 321,697.58 and 72,319.23

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Solution

The fourth proportional to 214,512.30, 321,697.58 and 72,319.23 is: 108,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,512.30 : 321,697.58 = 72,319.23 : x
  2. Step 2: Convert to fraction form
    214,512.30/321,697.58 = 72,319.23/x
  3. Step 3: Cross multiply
    214,512.30x = 321,697.58 × 72,319.23
  4. Step 4: Simplify right side
    214,512.30x = 23,264,920,916.87
  5. Step 5: Solve for x
    x = 23,264,920,916.87/214,512.30
  6. Step 6: Final answer
    x = 108,454.95

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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.