Home / 135,653.30-187,211.14-75,229.73

Finding the Fourth Proportional to 135,653.30, 187,211.14 and 75,229.73

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Solution

The fourth proportional to 135,653.30, 187,211.14 and 75,229.73 is: 103,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,653.30 : 187,211.14 = 75,229.73 : x
  2. Step 2: Convert to fraction form
    135,653.30/187,211.14 = 75,229.73/x
  3. Step 3: Cross multiply
    135,653.30x = 187,211.14 × 75,229.73
  4. Step 4: Simplify right side
    135,653.30x = 14,083,843,515.19
  5. Step 5: Solve for x
    x = 14,083,843,515.19/135,653.30
  6. Step 6: Final answer
    x = 103,822.34

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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.