Home / 130,121.56-195,044.10-51,224.92

Finding the Fourth Proportional to 130,121.56, 195,044.10 and 51,224.92

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Solution

The fourth proportional to 130,121.56, 195,044.10 and 51,224.92 is: 76,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,121.56 : 195,044.10 = 51,224.92 : x
  2. Step 2: Convert to fraction form
    130,121.56/195,044.10 = 51,224.92/x
  3. Step 3: Cross multiply
    130,121.56x = 195,044.10 × 51,224.92
  4. Step 4: Simplify right side
    130,121.56x = 9,991,118,418.97
  5. Step 5: Solve for x
    x = 9,991,118,418.97/130,121.56
  6. Step 6: Final answer
    x = 76,782.96

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1.5x scale

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.