Home / 136,064.92-187,765.94-75,634.06

Finding the Fourth Proportional to 136,064.92, 187,765.94 and 75,634.06

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Solution

The fourth proportional to 136,064.92, 187,765.94 and 75,634.06 is: 104,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,064.92 : 187,765.94 = 75,634.06 : x
  2. Step 2: Convert to fraction form
    136,064.92/187,765.94 = 75,634.06/x
  3. Step 3: Cross multiply
    136,064.92x = 187,765.94 × 75,634.06
  4. Step 4: Simplify right side
    136,064.92x = 14,201,500,371.92
  5. Step 5: Solve for x
    x = 14,201,500,371.92/136,064.92
  6. Step 6: Final answer
    x = 104,372.97

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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.