Home / 199,595.10-299,450.03-115,415.58

Finding the Fourth Proportional to 199,595.10, 299,450.03 and 115,415.58

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Solution

The fourth proportional to 199,595.10, 299,450.03 and 115,415.58 is: 173,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,595.10 : 299,450.03 = 115,415.58 : x
  2. Step 2: Convert to fraction form
    199,595.10/299,450.03 = 115,415.58/x
  3. Step 3: Cross multiply
    199,595.10x = 299,450.03 × 115,415.58
  4. Step 4: Simplify right side
    199,595.10x = 34,561,198,316.39
  5. Step 5: Solve for x
    x = 34,561,198,316.39/199,595.10
  6. Step 6: Final answer
    x = 173,156.55

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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.