Home / 199,628.22-299,104.01-120,576.38

Finding the Fourth Proportional to 199,628.22, 299,104.01 and 120,576.38

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Solution

The fourth proportional to 199,628.22, 299,104.01 and 120,576.38 is: 180,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,628.22 : 299,104.01 = 120,576.38 : x
  2. Step 2: Convert to fraction form
    199,628.22/299,104.01 = 120,576.38/x
  3. Step 3: Cross multiply
    199,628.22x = 299,104.01 × 120,576.38
  4. Step 4: Simplify right side
    199,628.22x = 36,064,877,123.04
  5. Step 5: Solve for x
    x = 36,064,877,123.04/199,628.22
  6. Step 6: Final answer
    x = 180,660.21

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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.