Home / 99,512.26-137,324.94-54,190.80

Finding the Fourth Proportional to 99,512.26, 137,324.94 and 54,190.80

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Solution

The fourth proportional to 99,512.26, 137,324.94 and 54,190.80 is: 74,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,512.26 : 137,324.94 = 54,190.80 : x
  2. Step 2: Convert to fraction form
    99,512.26/137,324.94 = 54,190.80/x
  3. Step 3: Cross multiply
    99,512.26x = 137,324.94 × 54,190.80
  4. Step 4: Simplify right side
    99,512.26x = 7,441,748,358.55
  5. Step 5: Solve for x
    x = 7,441,748,358.55/99,512.26
  6. Step 6: Final answer
    x = 74,782.23

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1.5x scale

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.