Home / 214,199.56-321,346.32-81,080.92

Finding the Fourth Proportional to 214,199.56, 321,346.32 and 81,080.92

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Solution

The fourth proportional to 214,199.56, 321,346.32 and 81,080.92 is: 121,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,199.56 : 321,346.32 = 81,080.92 : x
  2. Step 2: Convert to fraction form
    214,199.56/321,346.32 = 81,080.92/x
  3. Step 3: Cross multiply
    214,199.56x = 321,346.32 × 81,080.92
  4. Step 4: Simplify right side
    214,199.56x = 26,055,055,264.21
  5. Step 5: Solve for x
    x = 26,055,055,264.21/214,199.56
  6. Step 6: Final answer
    x = 121,639.16

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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.