Home / 131,392.82-181,322.26-74,804.19

Finding the Fourth Proportional to 131,392.82, 181,322.26 and 74,804.19

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Solution

The fourth proportional to 131,392.82, 181,322.26 and 74,804.19 is: 103,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,392.82 : 181,322.26 = 74,804.19 : x
  2. Step 2: Convert to fraction form
    131,392.82/181,322.26 = 74,804.19/x
  3. Step 3: Cross multiply
    131,392.82x = 181,322.26 × 74,804.19
  4. Step 4: Simplify right side
    131,392.82x = 13,563,664,788.27
  5. Step 5: Solve for x
    x = 13,563,664,788.27/131,392.82
  6. Step 6: Final answer
    x = 103,229.88

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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.