Home / 187,988.44-259,440.68-103,122.04

Finding the Fourth Proportional to 187,988.44, 259,440.68 and 103,122.04

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Solution

The fourth proportional to 187,988.44, 259,440.68 and 103,122.04 is: 142,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,988.44 : 259,440.68 = 103,122.04 : x
  2. Step 2: Convert to fraction form
    187,988.44/259,440.68 = 103,122.04/x
  3. Step 3: Cross multiply
    187,988.44x = 259,440.68 × 103,122.04
  4. Step 4: Simplify right side
    187,988.44x = 26,754,052,180.59
  5. Step 5: Solve for x
    x = 26,754,052,180.59/187,988.44
  6. Step 6: Final answer
    x = 142,317.54

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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.