Home / 91,249.53-137,117.30-49,161.93

Finding the Fourth Proportional to 91,249.53, 137,117.30 and 49,161.93

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Solution

The fourth proportional to 91,249.53, 137,117.30 and 49,161.93 is: 73,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.53 : 137,117.30 = 49,161.93 : x
  2. Step 2: Convert to fraction form
    91,249.53/137,117.30 = 49,161.93/x
  3. Step 3: Cross multiply
    91,249.53x = 137,117.30 × 49,161.93
  4. Step 4: Simplify right side
    91,249.53x = 6,740,950,858.58
  5. Step 5: Solve for x
    x = 6,740,950,858.58/91,249.53
  6. Step 6: Final answer
    x = 73,873.81

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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.