Home / 130,174.42-195,279.09-45,914.78

Finding the Fourth Proportional to 130,174.42, 195,279.09 and 45,914.78

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Solution

The fourth proportional to 130,174.42, 195,279.09 and 45,914.78 is: 68,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,174.42 : 195,279.09 = 45,914.78 : x
  2. Step 2: Convert to fraction form
    130,174.42/195,279.09 = 45,914.78/x
  3. Step 3: Cross multiply
    130,174.42x = 195,279.09 × 45,914.78
  4. Step 4: Simplify right side
    130,174.42x = 8,966,196,455.95
  5. Step 5: Solve for x
    x = 8,966,196,455.95/130,174.42
  6. Step 6: Final answer
    x = 68,878.33

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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.