Home / 124,660.26-187,058.43-72,172.26

Finding the Fourth Proportional to 124,660.26, 187,058.43 and 72,172.26

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Solution

The fourth proportional to 124,660.26, 187,058.43 and 72,172.26 is: 108,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,660.26 : 187,058.43 = 72,172.26 : x
  2. Step 2: Convert to fraction form
    124,660.26/187,058.43 = 72,172.26/x
  3. Step 3: Cross multiply
    124,660.26x = 187,058.43 × 72,172.26
  4. Step 4: Simplify right side
    124,660.26x = 13,500,429,645.15
  5. Step 5: Solve for x
    x = 13,500,429,645.15/124,660.26
  6. Step 6: Final answer
    x = 108,297.78

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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.