Home / 134,205.60-201,308.40-71,997.60

Finding the Fourth Proportional to 134,205.60, 201,308.40 and 71,997.60

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Solution

The fourth proportional to 134,205.60, 201,308.40 and 71,997.60 is: 107,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,205.60 : 201,308.40 = 71,997.60 : x
  2. Step 2: Convert to fraction form
    134,205.60/201,308.40 = 71,997.60/x
  3. Step 3: Cross multiply
    134,205.60x = 201,308.40 × 71,997.60
  4. Step 4: Simplify right side
    134,205.60x = 14,493,721,659.84
  5. Step 5: Solve for x
    x = 14,493,721,659.84/134,205.60
  6. Step 6: Final answer
    x = 107,996.40

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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.