Home / 187,131.55-258,241.28-106,559.08

Finding the Fourth Proportional to 187,131.55, 258,241.28 and 106,559.08

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Solution

The fourth proportional to 187,131.55, 258,241.28 and 106,559.08 is: 147,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,131.55 : 258,241.28 = 106,559.08 : x
  2. Step 2: Convert to fraction form
    187,131.55/258,241.28 = 106,559.08/x
  3. Step 3: Cross multiply
    187,131.55x = 258,241.28 × 106,559.08
  4. Step 4: Simplify right side
    187,131.55x = 27,517,952,540.64
  5. Step 5: Solve for x
    x = 27,517,952,540.64/187,131.55
  6. Step 6: Final answer
    x = 147,051.38

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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.