Home / 214,085.92-321,068.40-135,081.76

Finding the Fourth Proportional to 214,085.92, 321,068.40 and 135,081.76

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Solution

The fourth proportional to 214,085.92, 321,068.40 and 135,081.76 is: 202,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,085.92 : 321,068.40 = 135,081.76 : x
  2. Step 2: Convert to fraction form
    214,085.92/321,068.40 = 135,081.76/x
  3. Step 3: Cross multiply
    214,085.92x = 321,068.40 × 135,081.76
  4. Step 4: Simplify right side
    214,085.92x = 43,370,484,552.38
  5. Step 5: Solve for x
    x = 43,370,484,552.38/214,085.92
  6. Step 6: Final answer
    x = 202,584.48

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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.