Home / 130,744.10-195,943.82-51,815.26

Finding the Fourth Proportional to 130,744.10, 195,943.82 and 51,815.26

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Solution

The fourth proportional to 130,744.10, 195,943.82 and 51,815.26 is: 77,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,744.10 : 195,943.82 = 51,815.26 : x
  2. Step 2: Convert to fraction form
    130,744.10/195,943.82 = 51,815.26/x
  3. Step 3: Cross multiply
    130,744.10x = 195,943.82 × 51,815.26
  4. Step 4: Simplify right side
    130,744.10x = 10,152,879,978.69
  5. Step 5: Solve for x
    x = 10,152,879,978.69/130,744.10
  6. Step 6: Final answer
    x = 77,654.59

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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.