Home / 130,079.81-195,115.26-55,151.71

Finding the Fourth Proportional to 130,079.81, 195,115.26 and 55,151.71

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Solution

The fourth proportional to 130,079.81, 195,115.26 and 55,151.71 is: 82,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,079.81 : 195,115.26 = 55,151.71 : x
  2. Step 2: Convert to fraction form
    130,079.81/195,115.26 = 55,151.71/x
  3. Step 3: Cross multiply
    130,079.81x = 195,115.26 × 55,151.71
  4. Step 4: Simplify right side
    130,079.81x = 10,760,940,236.09
  5. Step 5: Solve for x
    x = 10,760,940,236.09/130,079.81
  6. Step 6: Final answer
    x = 82,725.68

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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.