Home / 253,867.41-380,803.54-120,760.92

Finding the Fourth Proportional to 253,867.41, 380,803.54 and 120,760.92

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Solution

The fourth proportional to 253,867.41, 380,803.54 and 120,760.92 is: 181,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,867.41 : 380,803.54 = 120,760.92 : x
  2. Step 2: Convert to fraction form
    253,867.41/380,803.54 = 120,760.92/x
  3. Step 3: Cross multiply
    253,867.41x = 380,803.54 × 120,760.92
  4. Step 4: Simplify right side
    253,867.41x = 45,986,185,829.66
  5. Step 5: Solve for x
    x = 45,986,185,829.66/253,867.41
  6. Step 6: Final answer
    x = 181,142.53

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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.