Home / 131,235.39-181,102.80-73,874.58

Finding the Fourth Proportional to 131,235.39, 181,102.80 and 73,874.58

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Solution

The fourth proportional to 131,235.39, 181,102.80 and 73,874.58 is: 101,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.39 : 181,102.80 = 73,874.58 : x
  2. Step 2: Convert to fraction form
    131,235.39/181,102.80 = 73,874.58/x
  3. Step 3: Cross multiply
    131,235.39x = 181,102.80 × 73,874.58
  4. Step 4: Simplify right side
    131,235.39x = 13,378,893,286.82
  5. Step 5: Solve for x
    x = 13,378,893,286.82/131,235.39
  6. Step 6: Final answer
    x = 101,945.77

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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.