Home / 251,238.95-376,777.43-82,719.15

Finding the Fourth Proportional to 251,238.95, 376,777.43 and 82,719.15

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Solution

The fourth proportional to 251,238.95, 376,777.43 and 82,719.15 is: 124,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,238.95 : 376,777.43 = 82,719.15 : x
  2. Step 2: Convert to fraction form
    251,238.95/376,777.43 = 82,719.15/x
  3. Step 3: Cross multiply
    251,238.95x = 376,777.43 × 82,719.15
  4. Step 4: Simplify right side
    251,238.95x = 31,166,708,955.58
  5. Step 5: Solve for x
    x = 31,166,708,955.58/251,238.95
  6. Step 6: Final answer
    x = 124,052.06

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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.