Home / 129,126.57-193,704.60-34,360.67

Finding the Fourth Proportional to 129,126.57, 193,704.60 and 34,360.67

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Solution

The fourth proportional to 129,126.57, 193,704.60 and 34,360.67 is: 51,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126.57 : 193,704.60 = 34,360.67 : x
  2. Step 2: Convert to fraction form
    129,126.57/193,704.60 = 34,360.67/x
  3. Step 3: Cross multiply
    129,126.57x = 193,704.60 × 34,360.67
  4. Step 4: Simplify right side
    129,126.57x = 6,655,820,257.92
  5. Step 5: Solve for x
    x = 6,655,820,257.92/129,126.57
  6. Step 6: Final answer
    x = 51,544.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.