Home / 124,961.26-187,422.63-40,721.21

Finding the Fourth Proportional to 124,961.26, 187,422.63 and 40,721.21

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Solution

The fourth proportional to 124,961.26, 187,422.63 and 40,721.21 is: 61,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.26 : 187,422.63 = 40,721.21 : x
  2. Step 2: Convert to fraction form
    124,961.26/187,422.63 = 40,721.21/x
  3. Step 3: Cross multiply
    124,961.26x = 187,422.63 × 40,721.21
  4. Step 4: Simplify right side
    124,961.26x = 7,632,075,185.16
  5. Step 5: Solve for x
    x = 7,632,075,185.16/124,961.26
  6. Step 6: Final answer
    x = 61,075.53

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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.