Home / 251,825.45-347,519.18-137,104.10

Finding the Fourth Proportional to 251,825.45, 347,519.18 and 137,104.10

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Solution

The fourth proportional to 251,825.45, 347,519.18 and 137,104.10 is: 189,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,825.45 : 347,519.18 = 137,104.10 : x
  2. Step 2: Convert to fraction form
    251,825.45/347,519.18 = 137,104.10/x
  3. Step 3: Cross multiply
    251,825.45x = 347,519.18 × 137,104.10
  4. Step 4: Simplify right side
    251,825.45x = 47,646,304,406.64
  5. Step 5: Solve for x
    x = 47,646,304,406.64/251,825.45
  6. Step 6: Final answer
    x = 189,203.69

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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.