Home / 132,759.24-199,056.96-65,205.36

Finding the Fourth Proportional to 132,759.24, 199,056.96 and 65,205.36

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Solution

The fourth proportional to 132,759.24, 199,056.96 and 65,205.36 is: 97,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,759.24 : 199,056.96 = 65,205.36 : x
  2. Step 2: Convert to fraction form
    132,759.24/199,056.96 = 65,205.36/x
  3. Step 3: Cross multiply
    132,759.24x = 199,056.96 × 65,205.36
  4. Step 4: Simplify right side
    132,759.24x = 12,979,580,737.31
  5. Step 5: Solve for x
    x = 12,979,580,737.31/132,759.24
  6. Step 6: Final answer
    x = 97,767.81

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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.