Home / 130,126.20-195,194.70-41,377.20

Finding the Fourth Proportional to 130,126.20, 195,194.70 and 41,377.20

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Solution

The fourth proportional to 130,126.20, 195,194.70 and 41,377.20 is: 62,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,126.20 : 195,194.70 = 41,377.20 : x
  2. Step 2: Convert to fraction form
    130,126.20/195,194.70 = 41,377.20/x
  3. Step 3: Cross multiply
    130,126.20x = 195,194.70 × 41,377.20
  4. Step 4: Simplify right side
    130,126.20x = 8,076,610,140.84
  5. Step 5: Solve for x
    x = 8,076,610,140.84/130,126.20
  6. Step 6: Final answer
    x = 62,067.52

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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.