Home / 136,168.84-187,910.30-75,738.18

Finding the Fourth Proportional to 136,168.84, 187,910.30 and 75,738.18

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Solution

The fourth proportional to 136,168.84, 187,910.30 and 75,738.18 is: 104,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,168.84 : 187,910.30 = 75,738.18 : x
  2. Step 2: Convert to fraction form
    136,168.84/187,910.30 = 75,738.18/x
  3. Step 3: Cross multiply
    136,168.84x = 187,910.30 × 75,738.18
  4. Step 4: Simplify right side
    136,168.84x = 14,231,983,746.56
  5. Step 5: Solve for x
    x = 14,231,983,746.56/136,168.84
  6. Step 6: Final answer
    x = 104,517.19

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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.