Home / 136,372.42-188,193.90-79,794.76

Finding the Fourth Proportional to 136,372.42, 188,193.90 and 79,794.76

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Solution

The fourth proportional to 136,372.42, 188,193.90 and 79,794.76 is: 110,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,372.42 : 188,193.90 = 79,794.76 : x
  2. Step 2: Convert to fraction form
    136,372.42/188,193.90 = 79,794.76/x
  3. Step 3: Cross multiply
    136,372.42x = 188,193.90 × 79,794.76
  4. Step 4: Simplify right side
    136,372.42x = 15,016,887,083.96
  5. Step 5: Solve for x
    x = 15,016,887,083.96/136,372.42
  6. Step 6: Final answer
    x = 110,116.75

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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.