Home / 136,002.68-187,679.95-75,571.76

Finding the Fourth Proportional to 136,002.68, 187,679.95 and 75,571.76

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Solution

The fourth proportional to 136,002.68, 187,679.95 and 75,571.76 is: 104,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.68 : 187,679.95 = 75,571.76 : x
  2. Step 2: Convert to fraction form
    136,002.68/187,679.95 = 75,571.76/x
  3. Step 3: Cross multiply
    136,002.68x = 187,679.95 × 75,571.76
  4. Step 4: Simplify right side
    136,002.68x = 14,183,303,010.88
  5. Step 5: Solve for x
    x = 14,183,303,010.88/136,002.68
  6. Step 6: Final answer
    x = 104,286.94

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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.