Home / 252,042.30-347,815.18-137,325.72

Finding the Fourth Proportional to 252,042.30, 347,815.18 and 137,325.72

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Solution

The fourth proportional to 252,042.30, 347,815.18 and 137,325.72 is: 189,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,042.30 : 347,815.18 = 137,325.72 : x
  2. Step 2: Convert to fraction form
    252,042.30/347,815.18 = 137,325.72/x
  3. Step 3: Cross multiply
    252,042.30x = 347,815.18 × 137,325.72
  4. Step 4: Simplify right side
    252,042.30x = 47,763,969,571.98
  5. Step 5: Solve for x
    x = 47,763,969,571.98/252,042.30
  6. Step 6: Final answer
    x = 189,507.75

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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.