Home / 129,027.70-193,509.15-45,902.26

Finding the Fourth Proportional to 129,027.70, 193,509.15 and 45,902.26

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Solution

The fourth proportional to 129,027.70, 193,509.15 and 45,902.26 is: 68,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027.70 : 193,509.15 = 45,902.26 : x
  2. Step 2: Convert to fraction form
    129,027.70/193,509.15 = 45,902.26/x
  3. Step 3: Cross multiply
    129,027.70x = 193,509.15 × 45,902.26
  4. Step 4: Simplify right side
    129,027.70x = 8,882,507,315.68
  5. Step 5: Solve for x
    x = 8,882,507,315.68/129,027.70
  6. Step 6: Final answer
    x = 68,841.86

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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.