Home / 131,450.26-181,401.24-71,834.26

Finding the Fourth Proportional to 131,450.26, 181,401.24 and 71,834.26

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Solution

The fourth proportional to 131,450.26, 181,401.24 and 71,834.26 is: 99,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,450.26 : 181,401.24 = 71,834.26 : x
  2. Step 2: Convert to fraction form
    131,450.26/181,401.24 = 71,834.26/x
  3. Step 3: Cross multiply
    131,450.26x = 181,401.24 × 71,834.26
  4. Step 4: Simplify right side
    131,450.26x = 13,030,823,838.48
  5. Step 5: Solve for x
    x = 13,030,823,838.48/131,450.26
  6. Step 6: Final answer
    x = 99,131.21

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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.