Home / 136,192.86-187,949.97-75,765.42

Finding the Fourth Proportional to 136,192.86, 187,949.97 and 75,765.42

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Solution

The fourth proportional to 136,192.86, 187,949.97 and 75,765.42 is: 104,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,192.86 : 187,949.97 = 75,765.42 : x
  2. Step 2: Convert to fraction form
    136,192.86/187,949.97 = 75,765.42/x
  3. Step 3: Cross multiply
    136,192.86x = 187,949.97 × 75,765.42
  4. Step 4: Simplify right side
    136,192.86x = 14,240,108,416.04
  5. Step 5: Solve for x
    x = 14,240,108,416.04/136,192.86
  6. Step 6: Final answer
    x = 104,558.41

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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.