Home / 187,119.45-258,240.15-106,572.24

Finding the Fourth Proportional to 187,119.45, 258,240.15 and 106,572.24

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Solution

The fourth proportional to 187,119.45, 258,240.15 and 106,572.24 is: 147,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,119.45 : 258,240.15 = 106,572.24 : x
  2. Step 2: Convert to fraction form
    187,119.45/258,240.15 = 106,572.24/x
  3. Step 3: Cross multiply
    187,119.45x = 258,240.15 × 106,572.24
  4. Step 4: Simplify right side
    187,119.45x = 27,521,231,243.44
  5. Step 5: Solve for x
    x = 27,521,231,243.44/187,119.45
  6. Step 6: Final answer
    x = 147,078.41

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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.