Home / 130,578.30-195,884.89-51,674.09

Finding the Fourth Proportional to 130,578.30, 195,884.89 and 51,674.09

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Solution

The fourth proportional to 130,578.30, 195,884.89 and 51,674.09 is: 77,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,578.30 : 195,884.89 = 51,674.09 : x
  2. Step 2: Convert to fraction form
    130,578.30/195,884.89 = 51,674.09/x
  3. Step 3: Cross multiply
    130,578.30x = 195,884.89 × 51,674.09
  4. Step 4: Simplify right side
    130,578.30x = 10,122,172,326.89
  5. Step 5: Solve for x
    x = 10,122,172,326.89/130,578.30
  6. Step 6: Final answer
    x = 77,518.03

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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.