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Finding the Fourth Proportional to 134,684.41, 202,025.28 and 51,578.41

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Solution

The fourth proportional to 134,684.41, 202,025.28 and 51,578.41 is: 77,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,684.41 : 202,025.28 = 51,578.41 : x
  2. Step 2: Convert to fraction form
    134,684.41/202,025.28 = 51,578.41/x
  3. Step 3: Cross multiply
    134,684.41x = 202,025.28 × 51,578.41
  4. Step 4: Simplify right side
    134,684.41x = 10,420,142,722.20
  5. Step 5: Solve for x
    x = 10,420,142,722.20/134,684.41
  6. Step 6: Final answer
    x = 77,367.10

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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.