Home / 115,082.65-172,609.93-30,849.13

Finding the Fourth Proportional to 115,082.65, 172,609.93 and 30,849.13

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Solution

The fourth proportional to 115,082.65, 172,609.93 and 30,849.13 is: 46,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,082.65 : 172,609.93 = 30,849.13 : x
  2. Step 2: Convert to fraction form
    115,082.65/172,609.93 = 30,849.13/x
  3. Step 3: Cross multiply
    115,082.65x = 172,609.93 × 30,849.13
  4. Step 4: Simplify right side
    115,082.65x = 5,324,866,169.86
  5. Step 5: Solve for x
    x = 5,324,866,169.86/115,082.65
  6. Step 6: Final answer
    x = 46,269.93

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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.