Home / 252,156.42-347,975.97-137,435.10

Finding the Fourth Proportional to 252,156.42, 347,975.97 and 137,435.10

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Solution

The fourth proportional to 252,156.42, 347,975.97 and 137,435.10 is: 189,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,156.42 : 347,975.97 = 137,435.10 : x
  2. Step 2: Convert to fraction form
    252,156.42/347,975.97 = 137,435.10/x
  3. Step 3: Cross multiply
    252,156.42x = 347,975.97 × 137,435.10
  4. Step 4: Simplify right side
    252,156.42x = 47,824,112,234.55
  5. Step 5: Solve for x
    x = 47,824,112,234.55/252,156.42
  6. Step 6: Final answer
    x = 189,660.50

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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.