Home / 250,251.31-345,355.41-137,074.06

Finding the Fourth Proportional to 250,251.31, 345,355.41 and 137,074.06

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Solution

The fourth proportional to 250,251.31, 345,355.41 and 137,074.06 is: 189,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,251.31 : 345,355.41 = 137,074.06 : x
  2. Step 2: Convert to fraction form
    250,251.31/345,355.41 = 137,074.06/x
  3. Step 3: Cross multiply
    250,251.31x = 345,355.41 × 137,074.06
  4. Step 4: Simplify right side
    250,251.31x = 47,339,268,191.66
  5. Step 5: Solve for x
    x = 47,339,268,191.66/250,251.31
  6. Step 6: Final answer
    x = 189,166.91

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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.