Home / 129,213.83-193,824.39-35,719.58

Finding the Fourth Proportional to 129,213.83, 193,824.39 and 35,719.58

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Solution

The fourth proportional to 129,213.83, 193,824.39 and 35,719.58 is: 53,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,213.83 : 193,824.39 = 35,719.58 : x
  2. Step 2: Convert to fraction form
    129,213.83/193,824.39 = 35,719.58/x
  3. Step 3: Cross multiply
    129,213.83x = 193,824.39 × 35,719.58
  4. Step 4: Simplify right side
    129,213.83x = 6,923,326,423.07
  5. Step 5: Solve for x
    x = 6,923,326,423.07/129,213.83
  6. Step 6: Final answer
    x = 53,580.38

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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.