Home / 99,933.41-137,907.96-54,611.81

Finding the Fourth Proportional to 99,933.41, 137,907.96 and 54,611.81

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Solution

The fourth proportional to 99,933.41, 137,907.96 and 54,611.81 is: 75,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,933.41 : 137,907.96 = 54,611.81 : x
  2. Step 2: Convert to fraction form
    99,933.41/137,907.96 = 54,611.81/x
  3. Step 3: Cross multiply
    99,933.41x = 137,907.96 × 54,611.81
  4. Step 4: Simplify right side
    99,933.41x = 7,531,403,309.01
  5. Step 5: Solve for x
    x = 7,531,403,309.01/99,933.41
  6. Step 6: Final answer
    x = 75,364.22

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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.