Home / 132,997.60-199,496.40-76,837.60

Finding the Fourth Proportional to 132,997.60, 199,496.40 and 76,837.60

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Solution

The fourth proportional to 132,997.60, 199,496.40 and 76,837.60 is: 115,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.60 : 199,496.40 = 76,837.60 : x
  2. Step 2: Convert to fraction form
    132,997.60/199,496.40 = 76,837.60/x
  3. Step 3: Cross multiply
    132,997.60x = 199,496.40 × 76,837.60
  4. Step 4: Simplify right side
    132,997.60x = 15,328,824,584.64
  5. Step 5: Solve for x
    x = 15,328,824,584.64/132,997.60
  6. Step 6: Final answer
    x = 115,256.40

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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.