Home / 187,237.78-258,325.05-106,608.28

Finding the Fourth Proportional to 187,237.78, 258,325.05 and 106,608.28

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Solution

The fourth proportional to 187,237.78, 258,325.05 and 106,608.28 is: 147,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,237.78 : 258,325.05 = 106,608.28 : x
  2. Step 2: Convert to fraction form
    187,237.78/258,325.05 = 106,608.28/x
  3. Step 3: Cross multiply
    187,237.78x = 258,325.05 × 106,608.28
  4. Step 4: Simplify right side
    187,237.78x = 27,539,589,261.41
  5. Step 5: Solve for x
    x = 27,539,589,261.41/187,237.78
  6. Step 6: Final answer
    x = 147,083.51

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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.