Home / 131,788.46-181,864.73-73,645.70

Finding the Fourth Proportional to 131,788.46, 181,864.73 and 73,645.70

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Solution

The fourth proportional to 131,788.46, 181,864.73 and 73,645.70 is: 101,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788.46 : 181,864.73 = 73,645.70 : x
  2. Step 2: Convert to fraction form
    131,788.46/181,864.73 = 73,645.70/x
  3. Step 3: Cross multiply
    131,788.46x = 181,864.73 × 73,645.70
  4. Step 4: Simplify right side
    131,788.46x = 13,393,554,620.95
  5. Step 5: Solve for x
    x = 13,393,554,620.95/131,788.46
  6. Step 6: Final answer
    x = 101,629.19

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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.