Home / 130,046.70-195,029.55-51,185.10

Finding the Fourth Proportional to 130,046.70, 195,029.55 and 51,185.10

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Solution

The fourth proportional to 130,046.70, 195,029.55 and 51,185.10 is: 76,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.70 : 195,029.55 = 51,185.10 : x
  2. Step 2: Convert to fraction form
    130,046.70/195,029.55 = 51,185.10/x
  3. Step 3: Cross multiply
    130,046.70x = 195,029.55 × 51,185.10
  4. Step 4: Simplify right side
    130,046.70x = 9,982,607,019.71
  5. Step 5: Solve for x
    x = 9,982,607,019.71/130,046.70
  6. Step 6: Final answer
    x = 76,761.71

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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.