Home / 131,338.18-181,255.51-73,203.96

Finding the Fourth Proportional to 131,338.18, 181,255.51 and 73,203.96

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Solution

The fourth proportional to 131,338.18, 181,255.51 and 73,203.96 is: 101,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338.18 : 181,255.51 = 73,203.96 : x
  2. Step 2: Convert to fraction form
    131,338.18/181,255.51 = 73,203.96/x
  3. Step 3: Cross multiply
    131,338.18x = 181,255.51 × 73,203.96
  4. Step 4: Simplify right side
    131,338.18x = 13,268,621,103.82
  5. Step 5: Solve for x
    x = 13,268,621,103.82/131,338.18
  6. Step 6: Final answer
    x = 101,026.38

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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.