Home / 187,147.71-258,270.21-102,270.24

Finding the Fourth Proportional to 187,147.71, 258,270.21 and 102,270.24

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Solution

The fourth proportional to 187,147.71, 258,270.21 and 102,270.24 is: 141,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.71 : 258,270.21 = 102,270.24 : x
  2. Step 2: Convert to fraction form
    187,147.71/258,270.21 = 102,270.24/x
  3. Step 3: Cross multiply
    187,147.71x = 258,270.21 × 102,270.24
  4. Step 4: Simplify right side
    187,147.71x = 26,413,356,361.55
  5. Step 5: Solve for x
    x = 26,413,356,361.55/187,147.71
  6. Step 6: Final answer
    x = 141,136.41

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1.5x scale

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.