Home / 130,738.10-195,934.82-51,809.27

Finding the Fourth Proportional to 130,738.10, 195,934.82 and 51,809.27

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Solution

The fourth proportional to 130,738.10, 195,934.82 and 51,809.27 is: 77,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,738.10 : 195,934.82 = 51,809.27 : x
  2. Step 2: Convert to fraction form
    130,738.10/195,934.82 = 51,809.27/x
  3. Step 3: Cross multiply
    130,738.10x = 195,934.82 × 51,809.27
  4. Step 4: Simplify right side
    130,738.10x = 10,151,238,753.06
  5. Step 5: Solve for x
    x = 10,151,238,753.06/130,738.10
  6. Step 6: Final answer
    x = 77,645.61

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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.