Home / 130,453.74-195,685.71-40,505.79

Finding the Fourth Proportional to 130,453.74, 195,685.71 and 40,505.79

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Solution

The fourth proportional to 130,453.74, 195,685.71 and 40,505.79 is: 60,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,453.74 : 195,685.71 = 40,505.79 : x
  2. Step 2: Convert to fraction form
    130,453.74/195,685.71 = 40,505.79/x
  3. Step 3: Cross multiply
    130,453.74x = 195,685.71 × 40,505.79
  4. Step 4: Simplify right side
    130,453.74x = 7,926,404,275.26
  5. Step 5: Solve for x
    x = 7,926,404,275.26/130,453.74
  6. Step 6: Final answer
    x = 60,760.27

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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.