Home / 199,343.16-275,083.09-113,290.65

Finding the Fourth Proportional to 199,343.16, 275,083.09 and 113,290.65

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Solution

The fourth proportional to 199,343.16, 275,083.09 and 113,290.65 is: 156,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,343.16 : 275,083.09 = 113,290.65 : x
  2. Step 2: Convert to fraction form
    199,343.16/275,083.09 = 113,290.65/x
  3. Step 3: Cross multiply
    199,343.16x = 275,083.09 × 113,290.65
  4. Step 4: Simplify right side
    199,343.16x = 31,164,341,786.88
  5. Step 5: Solve for x
    x = 31,164,341,786.88/199,343.16
  6. Step 6: Final answer
    x = 156,335.14

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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.