Home / 132,780.96-199,171.44-109,358.24

Finding the Fourth Proportional to 132,780.96, 199,171.44 and 109,358.24

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Solution

The fourth proportional to 132,780.96, 199,171.44 and 109,358.24 is: 164,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.96 : 199,171.44 = 109,358.24 : x
  2. Step 2: Convert to fraction form
    132,780.96/199,171.44 = 109,358.24/x
  3. Step 3: Cross multiply
    132,780.96x = 199,171.44 × 109,358.24
  4. Step 4: Simplify right side
    132,780.96x = 21,781,038,136.67
  5. Step 5: Solve for x
    x = 21,781,038,136.67/132,780.96
  6. Step 6: Final answer
    x = 164,037.36

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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.