Home / 251,824.45-347,517.80-137,103.10

Finding the Fourth Proportional to 251,824.45, 347,517.80 and 137,103.10

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Solution

The fourth proportional to 251,824.45, 347,517.80 and 137,103.10 is: 189,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,824.45 : 347,517.80 = 137,103.10 : x
  2. Step 2: Convert to fraction form
    251,824.45/347,517.80 = 137,103.10/x
  3. Step 3: Cross multiply
    251,824.45x = 347,517.80 × 137,103.10
  4. Step 4: Simplify right side
    251,824.45x = 47,645,768,214.19
  5. Step 5: Solve for x
    x = 47,645,768,214.19/251,824.45
  6. Step 6: Final answer
    x = 189,202.31

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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.