Home / 251,786.41-347,465.23-137,065.88

Finding the Fourth Proportional to 251,786.41, 347,465.23 and 137,065.88

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Solution

The fourth proportional to 251,786.41, 347,465.23 and 137,065.88 is: 189,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,786.41 : 347,465.23 = 137,065.88 : x
  2. Step 2: Convert to fraction form
    251,786.41/347,465.23 = 137,065.88/x
  3. Step 3: Cross multiply
    251,786.41x = 347,465.23 × 137,065.88
  4. Step 4: Simplify right side
    251,786.41x = 47,625,628,327.72
  5. Step 5: Solve for x
    x = 47,625,628,327.72/251,786.41
  6. Step 6: Final answer
    x = 189,150.91

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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.