Home / 132,991.68-183,528.82-72,562.44

Finding the Fourth Proportional to 132,991.68, 183,528.82 and 72,562.44

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Solution

The fourth proportional to 132,991.68, 183,528.82 and 72,562.44 is: 100,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.68 : 183,528.82 = 72,562.44 : x
  2. Step 2: Convert to fraction form
    132,991.68/183,528.82 = 72,562.44/x
  3. Step 3: Cross multiply
    132,991.68x = 183,528.82 × 72,562.44
  4. Step 4: Simplify right side
    132,991.68x = 13,317,298,989.52
  5. Step 5: Solve for x
    x = 13,317,298,989.52/132,991.68
  6. Step 6: Final answer
    x = 100,136.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.