Home / 136,703.98-188,575.68-80,104.42

Finding the Fourth Proportional to 136,703.98, 188,575.68 and 80,104.42

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Solution

The fourth proportional to 136,703.98, 188,575.68 and 80,104.42 is: 110,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,703.98 : 188,575.68 = 80,104.42 : x
  2. Step 2: Convert to fraction form
    136,703.98/188,575.68 = 80,104.42/x
  3. Step 3: Cross multiply
    136,703.98x = 188,575.68 × 80,104.42
  4. Step 4: Simplify right side
    136,703.98x = 15,105,745,558.03
  5. Step 5: Solve for x
    x = 15,105,745,558.03/136,703.98
  6. Step 6: Final answer
    x = 110,499.68

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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.