Home / 94,310.09-130,145.78-51,869.33

Finding the Fourth Proportional to 94,310.09, 130,145.78 and 51,869.33

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Solution

The fourth proportional to 94,310.09, 130,145.78 and 51,869.33 is: 71,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.09 : 130,145.78 = 51,869.33 : x
  2. Step 2: Convert to fraction form
    94,310.09/130,145.78 = 51,869.33/x
  3. Step 3: Cross multiply
    94,310.09x = 130,145.78 × 51,869.33
  4. Step 4: Simplify right side
    94,310.09x = 6,750,573,760.20
  5. Step 5: Solve for x
    x = 6,750,573,760.20/94,310.09
  6. Step 6: Final answer
    x = 71,578.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.