Home / 91,424.46-137,151.94-31,450.51

Finding the Fourth Proportional to 91,424.46, 137,151.94 and 31,450.51

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Solution

The fourth proportional to 91,424.46, 137,151.94 and 31,450.51 is: 47,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424.46 : 137,151.94 = 31,450.51 : x
  2. Step 2: Convert to fraction form
    91,424.46/137,151.94 = 31,450.51/x
  3. Step 3: Cross multiply
    91,424.46x = 137,151.94 × 31,450.51
  4. Step 4: Simplify right side
    91,424.46x = 4,313,498,729.28
  5. Step 5: Solve for x
    x = 4,313,498,729.28/91,424.46
  6. Step 6: Final answer
    x = 47,181.01

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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.