Home / 214,725.60-322,088.40-135,928.80

Finding the Fourth Proportional to 214,725.60, 322,088.40 and 135,928.80

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Solution

The fourth proportional to 214,725.60, 322,088.40 and 135,928.80 is: 203,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,725.60 : 322,088.40 = 135,928.80 : x
  2. Step 2: Convert to fraction form
    214,725.60/322,088.40 = 135,928.80/x
  3. Step 3: Cross multiply
    214,725.60x = 322,088.40 × 135,928.80
  4. Step 4: Simplify right side
    214,725.60x = 43,781,089,705.92
  5. Step 5: Solve for x
    x = 43,781,089,705.92/214,725.60
  6. Step 6: Final answer
    x = 203,893.20

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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.