Home / 129,252.64-193,799.52-50,274.80

Finding the Fourth Proportional to 129,252.64, 193,799.52 and 50,274.80

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Solution

The fourth proportional to 129,252.64, 193,799.52 and 50,274.80 is: 75,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,252.64 : 193,799.52 = 50,274.80 : x
  2. Step 2: Convert to fraction form
    129,252.64/193,799.52 = 50,274.80/x
  3. Step 3: Cross multiply
    129,252.64x = 193,799.52 × 50,274.80
  4. Step 4: Simplify right side
    129,252.64x = 9,743,232,108.10
  5. Step 5: Solve for x
    x = 9,743,232,108.10/129,252.64
  6. Step 6: Final answer
    x = 75,381.30

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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.