Home / 250,722.56-376,040.16-115,775.15

Finding the Fourth Proportional to 250,722.56, 376,040.16 and 115,775.15

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Solution

The fourth proportional to 250,722.56, 376,040.16 and 115,775.15 is: 173,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,722.56 : 376,040.16 = 115,775.15 : x
  2. Step 2: Convert to fraction form
    250,722.56/376,040.16 = 115,775.15/x
  3. Step 3: Cross multiply
    250,722.56x = 376,040.16 × 115,775.15
  4. Step 4: Simplify right side
    250,722.56x = 43,536,104,049.82
  5. Step 5: Solve for x
    x = 43,536,104,049.82/250,722.56
  6. Step 6: Final answer
    x = 173,642.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.