Home / 251,769.87-347,450.25-137,056.15

Finding the Fourth Proportional to 251,769.87, 347,450.25 and 137,056.15

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Solution

The fourth proportional to 251,769.87, 347,450.25 and 137,056.15 is: 189,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,769.87 : 347,450.25 = 137,056.15 : x
  2. Step 2: Convert to fraction form
    251,769.87/347,450.25 = 137,056.15/x
  3. Step 3: Cross multiply
    251,769.87x = 347,450.25 × 137,056.15
  4. Step 4: Simplify right side
    251,769.87x = 47,620,193,238.90
  5. Step 5: Solve for x
    x = 47,620,193,238.90/251,769.87
  6. Step 6: Final answer
    x = 189,141.75

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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.